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Otto P, Bahlmann J.Otto P, et al. Among authors: bahlmann j.Verh Dtsch Ges Inn Med. 1971;77:719-21.Verh Dtsch Ges Inn Med. 1971.PMID: 5156053German.No abstract available.
Weitzel D, Bahlmann J, Otto P.Weitzel D, et al. Among authors: bahlmann j.Dtsch Med Wochenschr. 1974 Aug 2;99(31):1587-90 passim. doi: 10.1055/s-0028-1107990.Dtsch Med Wochenschr. 1974.PMID: 4843521German.No abstract available.
Bahlmann J, Otto P.Bahlmann J, et al.Dtsch Med Wochenschr. 1972 May 26;97(21):840-2. doi: 10.1055/s-0028-1107453.Dtsch Med Wochenschr. 1972.PMID: 5030345German.No abstract available.