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Larsen JL, Farid AF, Dalsgaard I.Larsen JL, et al. Among authors: dalsgaard i.Zentralbl Bakteriol Mikrobiol Hyg B. 1981;173(5):338-45.Zentralbl Bakteriol Mikrobiol Hyg B. 1981.PMID: 7282164
Larsen JL, Farid AF, Dalsgaard I.Larsen JL, et al. Among authors: dalsgaard i.Zentralbl Bakteriol Mikrobiol Hyg A Med Mikrobiol Infekt Parasitol. 1981 Dec;251(2):213-22.Zentralbl Bakteriol Mikrobiol Hyg A Med Mikrobiol Infekt Parasitol. 1981.PMID: 7200302