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Ücretsi̇z Örnekleme Stok Fotoğrafları ve Görseller

7,427 gösterme
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
Man giving his blood as a donor
Man giving his blood as a donorPLUS
Man giving his blood as a donor
Man giving his blood as a donorPLUS
Multicolored ornamental pattern
Multicolored ornamental patternPLUS
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
Tests for research of zika test and vials on tickets of dollar americans, concept of pharmaceutical copayment
Tests for research of zika test and vials on tickets of dollar americans, concept of pharmaceutical copaymentPLUS
Wine sampling
Wine samplingPLUS
A flight of sample ale and beer
A flight of sample ale and beerPLUS
Multicolored ornamental pattern
Multicolored ornamental patternPLUS
Doctor in blood donation concept isolated on white Stok Fotoğraf
Doctor in blood donation concept isolated on whitePLUS
Scientist with equipment and science experiments ;double exposure style Stok Fotoğraf
Scientist with equipment and science experiments ;double exposure stylePLUS
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
Businessman with blood bag isolated on white Stok Fotoğraf
Businessman with blood bag isolated on whitePLUS
Macro of test tubes with yellow top
Macro of test tubes with yellow topPLUS
Business and marketing or social research, the process of selecting sample of elements from target population to conduct a survey on green chalkboard.
Business and marketing or social research, the process of selecting sample of elements from target population to conduct a survey on green chalkboard.PLUS
Vektörler
Business and marketing or social research process, classification of sampling methods the probability and non-probability sampling in qualitative research on brown chalkboard. Stok Fotoğraf
Business and marketing or social research process, classification of sampling methods the probability and non-probability sampling in qualitative research on brown chalkboard.PLUS
Vektörler
Small oil cruet with a wooden spoon with green olives
Small oil cruet with a wooden spoon with green olivesPLUS
Glass laboratory chemical test tubes with liquid.man wears protective goggles
Glass laboratory chemical test tubes with liquid.man wears protective gogglesPLUS
View of a young attractive biologist woman working on water analysis Stok Fotoğraf
View of a young attractive biologist woman working on water analysisPLUS
Hand holding a syringe tip up thumb squeeze excess air with a drop of liquid. a typical hand movement medic. stylized digital artwork.
Hand holding a syringe tip up thumb squeeze excess air with a drop of liquid. a typical hand movement medic. stylized digital artwork.PLUS
Vektörler
Kids learn numbers with abacus, math worksheet for children
Kids learn numbers with abacus, math worksheet for childrenPLUS
Vektörler
Multicolored ornamental pattern Stok Fotoğraf
Multicolored ornamental patternPLUS
Isolated hypodermic syringe with blood sample stage on white background
Isolated hypodermic syringe with blood sample stage on white backgroundPLUS
Multicolored ornamental pattern
Multicolored ornamental patternPLUS
Cheese platter with red wine and fresh grapes
Cheese platter with red wine and fresh grapesPLUS
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
Multicolored ornamental pattern
Multicolored ornamental patternPLUS
Wine sampling
Wine samplingPLUS
Example sign on a wooden table in a bright room with a colorful pattern in the background
Example sign on a wooden table in a bright room with a colorful pattern in the backgroundPLUS
Doctor in blood donation concept isolated on white Stok Fotoğraf
Doctor in blood donation concept isolated on whitePLUS
Doctor in blood donation concept isolated on white Stok Fotoğraf
Doctor in blood donation concept isolated on whitePLUS
Doctor in blood donation concept isolated on white Stok Fotoğraf
Doctor in blood donation concept isolated on whitePLUS
Multicolored ornamental pattern
Multicolored ornamental patternPLUS
Doctor working with blood samples in hospital clinic lab
Doctor working with blood samples in hospital clinic labPLUS
Grab image on rounded square carved wooden button styles Stok Fotoğraf
Grab image on rounded square carved wooden button stylesPLUS
Vektörler
Blood glucose meter and stethoscope on white background Stok Fotoğraf
Blood glucose meter and stethoscope on white backgroundPLUS
View of a young attractive biologist woman working on water analysis
View of a young attractive biologist woman working on water analysisPLUS
Biochemical laboratory. the holder of test tubes for biological liquids and blood Stok Fotoğraf
Biochemical laboratory. the holder of test tubes for biological liquids and bloodPLUS
Sample text rubber stamp Stok Fotoğraf
Sample text rubber stampPLUS
Business and marketing or social research process, the sampling methods of selecting sample of elements from target population to conduct a survey on old antique vintage grunge paper background.
Business and marketing or social research process, the sampling methods of selecting sample of elements from target population to conduct a survey on old antique vintage grunge paper background.PLUS
Vektörler
Medical set for taking blood from a finger on a black background Stok Fotoğraf
Medical set for taking blood from a finger on a black backgroundPLUS
Sample stamp. grunge design with dust scratches. effects can be easily removed for a clean, crisp look. color is easily changed.
Sample stamp. grunge design with dust scratches. effects can be easily removed for a clean, crisp look. color is easily changed.PLUS
Vektörler
Empty wine glass Stok Fotoğraf
Empty wine glassPLUS
Scientists in laboratory test chemicals testing virus vaccination
Scientists in laboratory test chemicals testing virus vaccinationPLUS
Laboratory microscope lens.modern microscopes in a lab
Laboratory microscope lens.modern microscopes in a labPLUS
Doctor holds drip irrigation system in hospital, conceptual image Stok Fotoğraf
Doctor holds drip irrigation system in hospital, conceptual imagePLUS
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
Wine sampling
Wine samplingPLUS
Kids learn numbers with abacus, math worksheet for children Stok Fotoğraf
Kids learn numbers with abacus, math worksheet for childrenPLUS
Vektörler
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
Sample - cube with letters, sign with wooden cubes
Sample - cube with letters, sign with wooden cubesPLUS
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
Doctor in blood donation concept isolated on white Stok Fotoğraf
Doctor in blood donation concept isolated on whitePLUS
Doctor in blood donation concept isolated on white Stok Fotoğraf
Doctor in blood donation concept isolated on whitePLUS
Free sample grunge stamp seals in red and blue colors. vector free sample marks with grunge effect. graphic elements are rounded rectangles, rosettes, circles and text titles.
Free sample grunge stamp seals in red and blue colors. vector free sample marks with grunge effect. graphic elements are rounded rectangles, rosettes, circles and text titles.PLUS
Vektörler
Samples of oro blanco citrus available at a farmers market. sweetie is a sweet seedless citrus hybrid fruit similar to grapefruit Stok Fotoğraf
Samples of oro blanco citrus available at a farmers market. sweetie is a sweet seedless citrus hybrid fruit similar to grapefruitPLUS
Medical set for taking blood from a finger on a black background
Medical set for taking blood from a finger on a black backgroundPLUS
Free sample text on a ribbon. designed with white caption and blue stripe. vector banner with free sample tag on a transparent background. Stok Fotoğraf
Free sample text on a ribbon. designed with white caption and blue stripe. vector banner with free sample tag on a transparent background.PLUS
Vektörler
Multicolored ornamental pattern
Multicolored ornamental patternPLUS
Female doctor taking blood samples from finger
Female doctor taking blood samples from fingerPLUS
Choice of cereals for breakfast
Choice of cereals for breakfastPLUS
Doctor chemist working on blood samples in lab
Doctor chemist working on blood samples in labPLUS
A group of beer samples in vintage like glasses on a vintage like plate. Stok Fotoğraf
A group of beer samples in vintage like glasses on a vintage like plate.PLUS
Doctor in blood donation concept isolated on white Stok Fotoğraf
Doctor in blood donation concept isolated on whitePLUS
Abstract word cloud for stratified sampling with related tags and terms
Abstract word cloud for stratified sampling with related tags and termsPLUS
Doctor working with blood samples in hospital clinic lab Stok Fotoğraf
Doctor working with blood samples in hospital clinic labPLUS
Patient during blood test sampling procedure taken for analysis
Patient during blood test sampling procedure taken for analysisPLUS
Flu virus experiment - scientist in laboratory, wear protective eyewear
Flu virus experiment - scientist in laboratory, wear protective eyewearPLUS
Business and marketing or social research process, the sampling methods of selecting sample of elements from target population to conduct a survey on green chalkboard.
Business and marketing or social research process, the sampling methods of selecting sample of elements from target population to conduct a survey on green chalkboard.PLUS
Vektörler
Hand holding a blood glucose meter measuring blood sugar, the background is a stethoscope and chart file
Hand holding a blood glucose meter measuring blood sugar, the background is a stethoscope and chart filePLUS
Doctor working with blood samples in hospital clinic lab Stok Fotoğraf
Doctor working with blood samples in hospital clinic labPLUS
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
Multicolored ornamental pattern
Multicolored ornamental patternPLUS
Multicolored ornamental pattern
Multicolored ornamental patternPLUS
Wine sampling Stok Fotoğraf
Wine samplingPLUS
Multicolored ornamental pattern
Multicolored ornamental patternPLUS
Business and marketing or social research process, set of the sampling methods of selecting sample of elements from target population to conduct a survey. Stok Fotoğraf
Business and marketing or social research process, set of the sampling methods of selecting sample of elements from target population to conduct a survey.PLUS
Vektörler
Woman in medical gown with tube
Woman in medical gown with tubePLUS
Sign scratched disk drive
Sign scratched disk drivePLUS
Vektörler
Biologist that collects samples in a water course for the analysis of its pollution and for the study of its characteristics.
Biologist that collects samples in a water course for the analysis of its pollution and for the study of its characteristics.PLUS
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
The nurses are patient blood sample storage at fingertips. to determine blood sugar with the dtx
The nurses are patient blood sample storage at fingertips. to determine blood sugar with the dtxPLUS
Medical tests template - blood test - modern flat vector concept digital illustration of blood test procedure - a patient and doctor with a syringe and test tubes, the medical office or laboratory
Medical tests template - blood test - modern flat vector concept digital illustration of blood test procedure - a patient and doctor with a syringe and test tubes, the medical office or laboratoryPLUS
Vektörler
Doctor working with blood samples in hospital clinic lab
Doctor working with blood samples in hospital clinic labPLUS
Business and marketing or social research process, five step of research methods on brown chalkboard Stok Fotoğraf
Business and marketing or social research process, five step of research methods on brown chalkboardPLUS
Vektörler
Hand holding a blood glucose meter measuring blood sugar, the background is a stethoscope and chart file
Hand holding a blood glucose meter measuring blood sugar, the background is a stethoscope and chart filePLUS
Young patient during blood test sampling procedure
Young patient during blood test sampling procedurePLUS
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
Flat linear design. medical test tube icon.the closed test tube is empty, with blood and urine for mobile applications, web sites and public use.vector.
Flat linear design. medical test tube icon.the closed test tube is empty, with blood and urine for mobile applications, web sites and public use.vector.PLUS
Vektörler
Biologist testing water quality of river Stok Fotoğraf
Biologist testing water quality of riverPLUS
An automated analyzer is a medical laboratory instrument designed to measure different chemicals and other
An automated analyzer is a medical laboratory instrument designed to measure different chemicals and otherPLUS
Wine sampling
Wine samplingPLUS
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
Doctor in blood donation concept isolated on white
Doctor in blood donation concept isolated on whitePLUS
Sample of botulism in laboratory, concept of health Stok Fotoğraf
Sample of botulism in laboratory, concept of healthPLUS
Man giving his blood as a donor
Man giving his blood as a donorPLUS
Biologist testing water quality of river
Biologist testing water quality of riverPLUS
Speech bubble dialog illustration of business term saying adequate sample Stok Fotoğraf
Speech bubble dialog illustration of business term saying adequate samplePLUS
Macro shot of one red grapes berry in glass on wine bottle background Stok Fotoğraf
Macro shot of one red grapes berry in glass on wine bottle backgroundPLUS