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Wegmann A, Glück R, Keller H, Matthieu JM.Wegmann A, et al. Among authors: keller h.Schweiz Med Wochenschr. 1985 Dec 7;115(49):1779-81.Schweiz Med Wochenschr. 1985.PMID: 4089577Clinical Trial.German.
Keller H, Glück R, Wegmann A, Wandeler AI.Keller H, et al.Schweiz Med Wochenschr. 1984 May 12;114(19):648-53.Schweiz Med Wochenschr. 1984.PMID: 6740281Clinical Trial.German.
Simona R, Keller H.Simona R, et al. Among authors: keller h.Schweiz Med Wochenschr. 1980 Apr 26;110(17):630-7.Schweiz Med Wochenschr. 1980.PMID: 6994220Review.German.
Hefti J, Keller H, Geiser M, Gerber H, Wandeler A, Steck F.Hefti J, et al. Among authors: keller h.Schweiz Med Wochenschr. 1979 Apr 7;109(14):509-16.Schweiz Med Wochenschr. 1979.PMID: 432584German.No abstract available.