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Sims JR, Tibbles PM, Jackman RP.Sims JR, et al. Among authors: jackman rp.Aviat Space Environ Med. 1999 Dec;70(12):1214-8.Aviat Space Environ Med. 1999.PMID: 10596778
Jackman RP, Willette PN, White D, Krizek SM.Jackman RP, et al.Aviat Space Environ Med. 2004 Jan;75(1):60-4.Aviat Space Environ Med. 2004.PMID: 14736134