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van der Meulen IJ, van Rooij J, Nieuwendaal CP, Van Cleijnenbreugel H, Geerards AJ, Remeijer L.van der Meulen IJ, et al. Among authors: geerards aj.Cornea. 2008 Jun;27(5):539-44. doi: 10.1097/ICO.0b013e318165b200.Cornea. 2008.PMID: 18520502