title: LIQUID OXYGEN CONTAMINATION. A SURVEY OF THE PROBLEM, AND ITS CONTROL.
mesh_terms: D000337:Aerospace Medicine; D002170:Canada; D003625:Data Collection; D004340:Drug Contamination; D004782:Environmental Health; D004864:Equipment and Supplies; D006801:Humans; D010100:Oxygen
chemical_list: D010100:Oxygen
keywords: AVIATION MEDICINE; CANADA; ENVIRONMENTAL HEALTH; EQUIPMENT AND SUPPLIES; OXYGEN