Si to. Velmi pozorné zralý muž stisknutí rty a dotýká oka od mikroskopu a šla experimentovat - Stock fotografie a obrázky

Study this liquid. Silhouette of serious practitioner that sitting in semi position and taking pink reagent while doing examination

A female medical or scientific researcher or woman doctor looking at a test tube of clear solution in a laboratory .

Laboratory assistant woman analyzing a blood sample.

Beautiful medical doctors are working with test tubes and microscope at the lab

Blonde successful woman researcher working with medical samples, holding test tube with blue liquid, making microbiology investigating in laboratory.

A medical or scientific researcher or doctor looking at a test tube of liquid green solution in a laboratory.

Close-up of professional female scientist in protective eyeglasses making experiment with reagents or blood test in laboratory. Medicine, biotechnology and research concept.