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HAEMMERLI UP, AMMANN R.HAEMMERLI UP, et al. Among authors: ammann r.Schweiz Med Wochenschr. 1963 Oct 26;93:1517-27.Schweiz Med Wochenschr. 1963.PMID: 14097947Review.German.No abstract available.
Ammann R, Haemmerli UP, Leuthold E, von Felten A, Weidmann P, Hafter E.Ammann R, et al.Schweiz Med Wochenschr. 1968 Jul 13;98(28):1044-7.Schweiz Med Wochenschr. 1968.PMID: 4880087Review.German.No abstract available.
Papp J, Leuthold E, Ammann R.Papp J, et al. Among authors: ammann r.Praxis. 1969 Nov 4;58(44):1428-31.Praxis. 1969.PMID: 5395674German.No abstract available.