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In't Veld PA, van Opstal D, Van den Berg C, Van Ooijen M, Brandenburg H, Pijpers L, Jahoda MG, Stijnen TH, Los FJ.In't Veld PA, et al. Among authors: stijnen th.Prenat Diagn. 1995 Oct;15(10):975-80. doi: 10.1002/pd.1970151014.Prenat Diagn. 1995.PMID: 8587867
van der Mooren K, Wladimiroff JW, Stijnen T.van der Mooren K, et al. Among authors: stijnen t.Ultrasound Med Biol. 1991;17(8):787-90. doi: 10.1016/0301-5629(91)90161-o.Ultrasound Med Biol. 1991.PMID: 1808796