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Trichomoniasis in bulls from Saskatchewan and Manitoba.
Copeland S, Clarke S, Krohn G, Hurlburt T, Walker F, Houston L. Copeland S, et al. Among authors: krohn g. Can Vet J. 1994 Jun;35(6):388-9. Can Vet J. 1994. PMID: 8069845 Free PMC article. No abstract available.
[Voluntary helpers in child and adolescent psychiatry].
Besmens F, Krohn G. Besmens F, et al. Among authors: krohn g. Prax Kinderpsychol Kinderpsychiatr. 1987 Feb-Mar;36(2):71-6. Prax Kinderpsychol Kinderpsychiatr. 1987. PMID: 3575261 German. No abstract available.