TY - GEN AU - Elstein,M TI - Letter: Conisation and the minipill SN - 0007-1447 PY - 1976///0219 KW - Biopsy KW - Cervix Mucus KW - drug effects KW - Contraceptives, Oral KW - Contraceptives, Oral, Hormonal KW - pharmacology KW - Female KW - Humans KW - Norsteroids KW - Pregnancy N1 - Publication Type: Journal Article UR - https://doi.org/10.1136/bmj.4.5994.464-a ER -