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Winkelman JE, Delleman JW.Winkelman JE, et al.Ophthalmologica. 1972;165(6):551-3. doi: 10.1159/000308561.Ophthalmologica. 1972.PMID: 4266470No abstract available.
Winkelman JE, Delleman JW.Winkelman JE, et al.Ned Tijdschr Geneeskd. 1969 Dec 13;113(50):2263-4.Ned Tijdschr Geneeskd. 1969.PMID: 4903185Dutch.No abstract available.
Winkelman JE, Delleman JW.Winkelman JE, et al.Ned Tijdschr Geneeskd. 1970 Nov 7;114(45):1899-900.Ned Tijdschr Geneeskd. 1970.PMID: 4920085Dutch.No abstract available.
Winkelman JE, Delleman JW.Winkelman JE, et al.Ophthalmologica. 1970;160(5):321. doi: 10.1159/000306032.Ophthalmologica. 1970.PMID: 5310724No abstract available.
Hamburg A, Winkelman JE.Hamburg A, et al. Among authors: winkelman je.Klin Monbl Augenheilkd. 1979 Aug;175(2):197-204.Klin Monbl Augenheilkd. 1979.PMID: 392171German.