TY - JOUR TI - Revised American Society for Reproductive Medicine classification of endometriosis: 1996 JO - Fertil Steril IS - 05 VL - 67 PY - 1997 DO - 10.1016/S0015-0282(97)81391-X L3 - PubMed-ID: 9130884 SP - 817 EP - 821 N1 - . Doi: 10.1016/S0015-0282(97)81391-X ER -