Scientist holds in his hands a petri dish with multi-colored bacteria from the environment, the isolation of dangerous bacteria in the laboratory. Isolate of a Petri dish in the hands of a doctor. Calendar #851713916
Scientist holds in his hands a petri dish with multi-colored bacteria from the environment, the isolation of dangerous bacteria in the laboratory. Isolate of a Petri dish in the hands of a doctor. Calendar #851713916
