review 1989 Clinical Therapeutics of Endometriosis, Part 1 doi:10.1016/s0160-3450(15)31690-1 ·PMID:2679021
review 1989 Clinical Therapeutics of Endometriosis, Part 2 doi:10.1016/s0160-3450(15)31664-0 ·PMID:2683703