TY  - RPRT
TI  - Contraception and infertility.
AU  - K L Oldershaw
AU  - M Brudenell
PY  - 1972
DO  - 10.1136/bmj.4.5834.233-b
UR  - https://pubmed.ncbi.nlm.nih.gov/5082565/
ID  - 5082565
ER  -