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Bontrop RE, Otting N, Niphuis H, Noort R, Teeuwsen V, Heeney JL.Bontrop RE, et al. Among authors: niphuis h.Immunol Lett. 1996 Jun;51(1-2):35-8. doi: 10.1016/0165-2478(96)02552-7.Immunol Lett. 1996.PMID: 8811342