title: On thin ice: a rather personal look at the hazards of winter climbing.
authors.affiliation: Foothills Hospital, Calgary, Alta.
authors.forename: R
authors.initials: R
authors.lastname: Patterson
mesh_terms: D000416:Alberta; D049673:History, 20th Century; D006801:Humans; D008297:Male; D009051:Mountaineering / Q000266:history / Q000293:injuries