Survival skills.
Herbert
Wray
W
D000056:Accident Prevention; D015438:Health Behavior; D006331:Heart Diseases / Q000517:prevention & control; D006801:Humans; D008171:Lung Diseases / Q000517:prevention & control; D008297:Male; D009369:Neoplasms / Q000517:prevention & control; D040242:Risk Reduction Behavior; D020521:Stroke / Q000517:prevention & control; D014481:United States