title: "Performance enhancing" drugs at high altitude.
authors: Ken
authors: K
authors: Zafren
authors: Franz
authors: F
authors: Berghold
authors: David
authors: D
authors: Hillebrandt
mesh_terms: D000532:Altitude Sickness / Q000517:prevention & control* / Q000628:therapy*; D006801:Humans; D009051:Mountaineering / Q000941:ethics*; D058573:Performance-Enhancing Substances / Q000008:administration & dosage*; D055813:Wilderness Medicine / Q000941:ethics*
chemical_list: D058573:Performance-Enhancing Substances