TY - THES ID - 135963806 TI - The levonorgestrel IUD : clinical performance and impact on menstruation AU - Scholten, Petrus Cornelis AU - Rijksuniversiteit Utrecht. PY - 1989 PB - Utrecht OMI DB - UniCat KW - Menstruation KW - Intrauterine Devices, Medicated KW - Contraceptive Agents, Female KW - administration & dosage UR - https://www.unicat.be/uniCat?func=search&query=sysid:135963806 AB - ER -