Mantenere una giusta proporzione. Osserva le operaie che tengono in mano una provetta e usano una pipetta mentre versano del liquido chimico blu durante un esperimento . - Foto e immagini stock

Add some reagent. Charming lab assistant keeping smile on face and looking at test tube while working in the laboratory

Take new probe. Cheerful blonde keeping smile on her face and raising hands while mixing liquids

Focused on reagents. Positive scientist keeping smile on her face and being in uniform while taking test tube with reagent

Modern medical research laboratory. female scientist working with micro pipettes analyzing biochemical samples, advanced science chemical laboratory for medicine.

Woman researcher is surrounded by medical vials and flasks, isolated on white background.

Careful measurement. Selective focus of a small drop of blue liquid being used for biological analysis

Take it. Delighted practitioner keeping smile on her face and putting hand on the microscope while looking forward

Be ready. Positive delighted scientist keeping smile on her face and bowing head while looking at sample

Medical test. Serious attractive smart woman looking at the test tubes and taking vaccine samples for analysis while working in the test lab

Light room. Very attentive brunette keeping smile on her face while holding test-glass in left hand and going to checking it up

Just attention. Pretty young pharmacist sitting in semi position and examining test tubes with colorful liquid

Cautious person. Serious young researcher holding medical instrument in right hand looking downwards while touching support

Be careful. Delighted brunette girl wearing uniform while working in laboratory

Collecting tubes. Attractive smiling brunette sitting at her workplace and putting right hand on the microscope while looking aside