TY  - RPRT
TI  - Contraception.
AU  - A A Kubba
AU  - J Guillebaud
PY  - 1986
DO  - 10.1136/bmj.293.6560.1491
UR  - https://pubmed.ncbi.nlm.nih.gov/3099925/
ID  - 3099925
ER  -