TY - THES ID - 127693287 TI - Contraceptive action of a synthetic progestin, ST-1435. AU - Lähteenmäki, Pertti AU - Helsinki University PY - 1986 SN - 9519973842 PB - Helsinki : Offset-Repro Oy, DB - UniCat KW - Progestational hormones, synthetic. UR - https://www.unicat.be/uniCat?func=search&query=sysid:127693287 AB - ER -