medicine,anesthesia,anesthesiologist monitoring course of endotracheal anaesthesia,20th century,Municipal Hospital Berlin - Weissensee,20th century,20th century,operating theatre,operating room,operating theatres,operating rooms,operation,undergo surgery,need surgery,surgery,half length,sitting,sit,face mask,anesthesiologist,anaesthesiologist,checking,testing,controlling,controling,checking out,monitor,monitoring,watch,watching,anaesthetization,anesthetization,narcosis,narcoses,anesthetist,anaesthetist,anesthetists,anaesthet,Additional-Rights-Clearences-Not Available

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