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Edelbroek PM, Zitman FG, Knoppert-van der Klein EA, van Putten PM, de Wolff FA.Edelbroek PM, et al. Among authors: zitman fg.Clin Chim Acta. 1987 Jun 15;165(2-3):177-87. doi: 10.1016/0009-8981(87)90161-6.Clin Chim Acta. 1987.PMID: 3652444