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International Journal of Gynecology and Obstetrics > 1997 > 57 > 1 > 1-15
International Journal of Gynecology and Obstetrics > 1996 > 53 > 3 > 219-233
International Journal of Gynecology and Obstetrics > 1997 > 57 > 1 > 1-15
International Journal of Gynecology and Obstetrics > 1996 > 53 > 3 > 219-233