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van der Zypen E, Bebie H, Fankhauser F.van der Zypen E, et al. Among authors: fankhauser f.Int Ophthalmol. 1979 Feb;1(2):109-22. doi: 10.1007/BF00154198.Int Ophthalmol. 1979.PMID: 575991
van der Zypen E, Fankhauser F.van der Zypen E, et al. Among authors: fankhauser f.Ophthalmologica. 1979;179(4):189-200. doi: 10.1159/000308894.Ophthalmologica. 1979.PMID: 121373
van der Zypen E, Fankhauser F, Bebie H.van der Zypen E, et al. Among authors: fankhauser f.Int Ophthalmol. 1978 Sep;1(1):39-48. doi: 10.1007/BF00133276.Int Ophthalmol. 1978.PMID: 553041
Fankhauser F, Van der Zypen E, Kwasniewska S, Loertscher H.Fankhauser F, et al.Ophthalmology. 1985 Mar;92(3):419-26. doi: 10.1016/s0161-6420(85)34037-x.Ophthalmology. 1985.PMID: 2581208
van der Zypen E, England C, Fankhauser F, Kwasniewska S.van der Zypen E, et al. Among authors: fankhauser f.Int Ophthalmol. 1989 Jan;13(1-2):163-6. doi: 10.1007/BF02028658.Int Ophthalmol. 1989.PMID: 2744948
Fankhauser F, Van der Zypen E.Fankhauser F, et al.Trans Ophthalmol Soc U K (1962). 1982 Apr;102 (Pt 1):159-63.Trans Ophthalmol Soc U K (1962). 1982.PMID: 6963050