title: Medical operational problems in cold environment, the role of dehydration, caloric intake, and clothing.
mesh_terms: D000064:Acclimatization; D003020:Clothing; D003080:Cold Temperature / Q000009:adverse effects*; D003681:Dehydration / Q000517:prevention & control*; D002149:Energy Intake; D006801:Humans; D008889:Military Personnel