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Harrison MH, Kravik SE, Geelen G, Keil L, Greenleaf JE.Harrison MH, et al. Among authors: kravik se.Aviat Space Environ Med. 1985 Nov;56(11):1059-64.Aviat Space Environ Med. 1985.PMID: 3907614
Greenleaf JE, Dunn ER, Nesvig C, Keil LC, Harrison MH, Geelen G, Kravik SE.Greenleaf JE, et al. Among authors: kravik se.Aviat Space Environ Med. 1988 Feb;59(2):152-9.Aviat Space Environ Med. 1988.PMID: 3278710
Harrison MH, Geelen G, Keil LC, Wade CA, Hill LC, Kravik SE, Greenleaf JE.Harrison MH, et al. Among authors: kravik se.Aviat Space Environ Med. 1986 May;57(5):420-5.Aviat Space Environ Med. 1986.PMID: 3518690
Greenleaf JE, Spaul WA, Kravik SE, Wong N, Elder CA.Greenleaf JE, et al. Among authors: kravik se.Aviat Space Environ Med. 1985 Jan;56(1):15-8.Aviat Space Environ Med. 1985.PMID: 3977798
Greenleaf JE, Van Beaumont W, Brock PJ, Montgomery LD, Morse JT, Shvartz E, Kravik S.Greenleaf JE, et al.Aviat Space Environ Med. 1980 Aug;51(8):747-53.Aviat Space Environ Med. 1980.PMID: 7417139
Kravik SE, Keil LC, Silver JE, Wong N, Spaul WA, Greenleaf JE.Kravik SE, et al.J Appl Physiol Respir Environ Exerc Physiol. 1984 Jul;57(1):123-8. doi: 10.1152/jappl.1984.57.1.123.J Appl Physiol Respir Environ Exerc Physiol. 1984.PMID: 6381434
Greenleaf JE, Shvartz E, Kravik S, Keil IC.Greenleaf JE, et al.J Appl Physiol Respir Environ Exerc Physiol. 1980 Jan;48(1):79-88. doi: 10.1152/jappl.1980.48.1.79.J Appl Physiol Respir Environ Exerc Physiol. 1980.PMID: 6986349