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de Keizer RJ, Vielvoye GJ, de Wolff-Rouendaal D.de Keizer RJ, et al. Among authors: vielvoye gj.Doc Ophthalmol. 1986 Jan 15;61(3-4):285-94. doi: 10.1007/BF00142355.Doc Ophthalmol. 1986.PMID: 3512218
van Seters AP, van Dulken H, de Keizer RJ, Vielvoye GJ.van Seters AP, et al. Among authors: vielvoye gj.Lancet. 1989 Mar 11;1(8637):564-5. doi: 10.1016/s0140-6736(89)90113-x.Lancet. 1989.PMID: 2564103No abstract available.