Ausgeschnittene Ansicht eines Arztes in Latexhandschuhen, der einen Katheter auf dem Tropfenzähler hält - Stockfoto & -bild

Researcher with latex gloves and protective clothing against coronavirus covid-19 by washing his hands with alcohol

Doctor anesthesiologist puts mask on patient for anesthesia during surgery closeup hospital operating room healthy

Scientist using a ph meter at laboratory

Bioarcheology. Archaeologist analyzing human skull in DNA archaeology lab.

Directly below view of young woman holding petri dish with test samples during medical research in laboratory, copy space

Anesthesiologist Doctors hand is opening normal saline solution (NSS) bottle,Coronavirus treatment concept,Covid-19.

Analyzing Plant Samples for Presence of Pesticides in Farming Products. Pouring Water into Test Tube with Dissolved Samples in Laboratory