TY  - RPRT
TI  - Contraceptive use: the US perspective.
AU  - M S Burnhill
PY  - 1998
DO  - 10.1016/s0020-7292(98)00085-x
UR  - https://pubmed.ncbi.nlm.nih.gov/9806234/
ID  - 9806234
ER  -