TY - GEN AU - Hagenfeldt,K TI - The modes of action of medicated intrauterine devices SN - 0449-3087 PY - 1977///0315 KW - Animals KW - Blastocyst KW - drug effects KW - Cervix Mucus KW - analysis KW - Copper KW - Corpus Luteum KW - Embryonic Development KW - Endometrium KW - Estradiol KW - blood KW - Female KW - Guinea Pigs KW - Haplorhini KW - Humans KW - Intrauterine Devices KW - Intrauterine Devices, Medicated KW - Male KW - Microscopy, Electron, Scanning KW - Ovum KW - Pregnancy KW - Progesterone KW - Rabbits KW - Rats KW - Sperm Motility KW - Spermatozoa KW - Uterine Contraction N1 - Publication Type: Journal Article; Review ER -