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Authors: Scheffer, GJ Broekmans, FJM Dorland, M Habbema, JDF Looman, CWN te Velde, ER

Citation: Gj. Scheffer et al., Antral follicle counts by transvaginal ultrasonography are related to age in women with proven natural fertility, FERT STERIL, 72(5), 1999, pp. 845-851