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Späth-Schwalbe E, Gofferje M, Kern W, Born J, Fehm HL.Späth-Schwalbe E, et al. Among authors: kern w.Biol Psychiatry. 1991 Mar 15;29(6):575-84. doi: 10.1016/0006-3223(91)90093-2.Biol Psychiatry. 1991.PMID: 1647222
Kern W, Dodt C, Born J, Fehm HL.Kern W, et al.J Gerontol A Biol Sci Med Sci. 1996 Jan;51(1):M3-9. doi: 10.1093/gerona/51a.1.m3.J Gerontol A Biol Sci Med Sci. 1996.PMID: 8548511