TY - RPRT TI - Contraception with anti-progesterone. AU - M L Swahn AU - K G Danielsson AU - M Bygdeman PY - 1996 DO - 10.1016/s0950-3552(96)80061-7 UR - https://pubmed.ncbi.nlm.nih.gov/8736721/ ID - 8736721 ER -