DANGERS of exploring caves.
D059552:Caves; D006801:Humans; D013177:Sports
ATHLETICS
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Am J Dig Dis. 1958 Jul;3(7):481-91
13559187
Circulation. 1953 Dec;8(6):829-39
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Br J Surg. 1951 Jul;39(153):39-43
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Br Med J. 1957 Apr 27;1(5025):968-71
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Medicine (Baltimore). 1954 Dec;33(4):291-437
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Am J Med. 1956 Jul;21(1):3-15
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Acta radiol. 1956 Apr;45(4):273-82
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N Engl J Med. 1958 Nov 13;259(20):947-56
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Surg Gynecol Obstet. 1950 May;90(5):535-42
15418420