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Lukow I, Schmidt G, Walter RD, Königk E.Lukow I, et al. Among authors: walter rd.Z Tropenmed Parasitol. 1973 Dec;24(4):500-4.Z Tropenmed Parasitol. 1973.PMID: 4778587German.No abstract available.
Schmidt G, Walter RD, Königk E.Schmidt G, et al. Among authors: walter rd.Tropenmed Parasitol. 1975 Mar;26(1):19-26.Tropenmed Parasitol. 1975.PMID: 238316