Seitenansicht des fokussierten Jungenarztes bei der Analyse des Reagenzglases im Krankenhaus - Stockfoto & -bild

The patient during blood test sampling procedure taken for analysis

Vietnamese schoolboy adding drop of reagent in test-tube with yellow liquid

Professional healthcare researchers working in medical science laboratories, pharmaceutical technology, chemistry lab experiments for hospitals. Handling of pipettes with liquid in a glass tube, on the table.

Young woman at chemistry lesson in classroom