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Rusvai M, Belák S.Rusvai M, et al. Among authors: belak s.Zentralbl Veterinarmed B. 1992 Jun;39(4):311-6. doi: 10.1111/j.1439-0450.1992.tb01175.x.Zentralbl Veterinarmed B. 1992.PMID: 1325721
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Rusvai M, Belák S, Stolz B, Adám E, Nász I.Rusvai M, et al. Among authors: belak s.Acta Microbiol Hung. 1988;35(4):417-22.Acta Microbiol Hung. 1988.PMID: 2469284
Merza M, Belak S, Morein B.Merza M, et al. Among authors: belak s.Zentralbl Veterinarmed B. 1988 Nov;35(9):695-703. doi: 10.1111/j.1439-0450.1988.tb00546.x.Zentralbl Veterinarmed B. 1988.PMID: 2849843No abstract available.