TY  - RPRT
TI  - Research on contraceptives.
AU  - Sharyl J Nass
AU  - Jerome F Strauss
PY  - 2004
DO  - 10.1126/science.303.5665.1769b
UR  - https://pubmed.ncbi.nlm.nih.gov/15031479/
ID  - 15031479
ER  -