1 янв 1916 г. - Orval J. Cunningham M.D.

Описание:

In 1916 Orval J. Cunningham M.D. is appointed the first chief anesthesiologist in the State of Kansas and Associate Professor of Surgery. He develops an oxygen tank for patients that is a forerunner to hyperbaric oxygen tanks used in therapy for several diseases.

Добавлено на ленту времени:

Дата: