European Journal of Obstetrics & Gynecology and Reproductive Biology
European Journal of Obstetrics & Gynecology and Reproductive Biology > 1995 > 59 > Supplement > S61-S67
European Journal of Obstetrics & Gynecology and Reproductive Biology > 1995 > 59 > 2 > 175-182
European Journal of Obstetrics & Gynecology and Reproductive Biology > 1996 > 66 > 2 > 147-150
European Journal of Obstetrics & Gynecology and Reproductive Biology > 1996 > 69 > 2 > 129-134