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Cigarette on ashtray 免版税图像

Cigarette on ashtrayFREE

SyringeFREE

Intravenous drip

Intravenous dripFREE

Nurse holding a syringe

Nurse holding a syringeFREE

Burning cigarette close up

Burning cigarette close upFREE

Blood and plasma in test tube

Blood and plasma in test tubeFREE

Cigarette burning in ashtray

Cigarette burning in ashtrayFREE

Different laboratory beakers and glassware monochrome

Different laboratory beakers and glassware monochromeFREE

Dental appliances

Dental appliancesFREE

Conical flaskFREE

Colored soft drinks

Colored soft drinksFREE

Coffee and milk

Coffee and milkFREE

Hand of the nurse to prepare for drip

Hand of the nurse to prepare for dripFREE

Christmas balls and ink 免版税图像

Christmas balls and inkFREE

Testing flaskFREE

Syringe injecting a tomato with pills beside it

Syringe injecting a tomato with pills beside itFREE

Hand of a doctor with a syringe 免版税图像

Hand of a doctor with a syringeFREE

Nurse holding a syringe

Nurse holding a syringeFREE

BeakerFREE

Gauze and tweezers

Gauze and tweezersFREE

Human hand holding a syringe

Human hand holding a syringeFREE

Small ampoule among big ampoules

Small ampoule among big ampoulesFREE

Coloured pencils and sharpener

Coloured pencils and sharpenerFREE

Hand of a doctor with a knife

Hand of a doctor with a knifeFREE

Hand with a syringe

Hand with a syringeFREE

Syringe with blood

Syringe with bloodFREE

Blood and plasma in test tube 免版税图像

Blood and plasma in test tubeFREE

Rotten apple smoking cigarette with cigarette butt and ashes by the side 免版税图像

Rotten apple smoking cigarette with cigarette butt and ashes by the sideFREE

SyringeFREE

Medical imageFREE

Drinking straw in a glass of water

Drinking straw in a glass of waterFREE

Bottles of bathing gel on top of towels

Bottles of bathing gel on top of towelsFREE

Whiteboard with formula and flasks 免版税图像

Whiteboard with formula and flasksFREE

Chemical flaskFREE

A row of test tubes with blood

A row of test tubes with bloodFREE

Eye drops 免版税图像

Eye dropsFREE

Beaker and conical flasks 免版税图像

Beaker and conical flasksFREE

Decorative pebbles

Decorative pebblesFREE

Five ampoulesFREE

Stock photo a dirty ashtray with cigarette ash and butts

Stock photo a dirty ashtray with cigarette ash and buttsFREE

Female doctor with syringe

Female doctor with syringeFREE

Doctor looking at thermometer in front of patient

Doctor looking at thermometer in front of patientFREE

Infographic of education

Infographic of educationFREE

SyringeFREE

Mother testing milk temperature

Mother testing milk temperatureFREE

Chemical flaskFREE

Water purifierFREE

Science concept design 免版税图像

Science concept designFREE

Man controlling a cigarette out from the box with his magical power 免版税图像

Man controlling a cigarette out from the box with his magical powerFREE

Chemical flask 免版税图像

Chemical flaskFREE

The origami halloween background of pumpkin head jack o lantern mummy and nun hanging on spider cobweb isolated on orange background with space for text 免版税图像

The origami halloween background of pumpkin head jack o lantern mummy and nun hanging on spider cobweb isolated on orange background with space for textFREE

Conical flask 免版税图像

Conical flaskFREE

Laboratory flask

Laboratory flaskFREE

Chemical flasks

Chemical flasksFREE

Scientist using a pipette to drip solution into beaker 免版税图像

Scientist using a pipette to drip solution into beakerFREE

Businesswoman and boiling flask 免版税图像

Businesswoman and boiling flaskFREE

Hand surgery doctors 免版税图像

Hand surgery doctorsFREE

Egg yolkFREE

Spirit lamp 免版税图像

Spirit lampFREE

Small and big ampoule

Small and big ampouleFREE

Conical flaskFREE

Test tubes in rack 免版税图像

Test tubes in rackFREE

Women use skin lotion 免版税图像

Women use skin lotionFREE

Chemical flaskFREE

Hand of a doctor with a syringe

Hand of a doctor with a syringeFREE

Eye or nasal drops in tubes of droppers on a plain background open vials with ophthalmic or nasal medication 免版税图像

Eye or nasal drops in tubes of droppers on a plain background open vials with ophthalmic or nasal medicationFREE

Boiling flask 免版税图像

Boiling flaskFREE

Test tubes with blood samples

Test tubes with blood samplesFREE

Test tube 免版税图像

Test tubeFREE

Colored soft drinks

Colored soft drinksFREE

Medicine pharmacists image 免版税图像

Medicine pharmacists imageFREE

Broken nut cracker and walnut 免版税图像

Broken nut cracker and walnutFREE

Scientist holding beaker while taking notes

Scientist holding beaker while taking notesFREE

Dental probeFREE

Nurse holding a syringe

Nurse holding a syringeFREE

Medical imageFREE

SyringeFREE

Pig maskFREE

Hammer and penlight

Hammer and penlightFREE

MicroscopeFREE

SyringeFREE

Electronic thermometer 免版税图像

Electronic thermometerFREE

Cigarettes on a black background

Cigarettes on a black backgroundFREE

Laboratory burner heating a chemical flask

Laboratory burner heating a chemical flaskFREE

Burned match indicating temperature on a scale as a thermometer global warming and temperature rising concept

Burned match indicating temperature on a scale as a thermometer global warming and temperature rising conceptFREE

Testing flasks 免版税图像

Testing flasksFREE

Set of magic potion

Set of magic potionFREE

Women use skin lotion

Women use skin lotionFREE

French fries 免版税图像

French friesFREE

Hand to the blood collection 免版税图像

Hand to the blood collectionFREE

Hand of a doctor with a syringe 免版税图像

Hand of a doctor with a syringeFREE

Tapioca cake 免版税图像

Tapioca cakeFREE

ShirtFREE

Conical flaskFREE

Scientist holding chemistry beaker with tongs

Scientist holding chemistry beaker with tongsFREE

Magic potionFREE

Hand holding a chess piece 免版税图像

Hand holding a chess pieceFREE

Conical flaskFREE

Blood samplesFREE

Chemical flask 免版税图像

Chemical flaskFREE