Sled docs. Physicians & the Iditarod: Dr. Bob Bundtzen.
Rush
Dave
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D000413:Alaska; D000818:Animals; D003141:Communicable Diseases / Q000266:history*; D003163:Competitive Behavior; D004285:Dogs; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D010807:Physical Endurance; D005082:Physical Exertion; D013177:Sports / Q000266:history*