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Tejero E, Perichart O, Pfeffer F, Casanueva E, Vadillo-Ortega F.Tejero E, et al.Int J Gynaecol Obstet. 2003 Apr;81(1):29-34. doi: 10.1016/s0020-7292(02)00400-9.Int J Gynaecol Obstet. 2003.PMID: 12676390