TY  - RPRT
TI  - Adolescent contraception: nonhormonal methods.
AU  - J W Kulig
PY  - 1989
DO  - 10.1016/s0031-3955(16)36693-7
UR  - https://pubmed.ncbi.nlm.nih.gov/2660093/
ID  - 2660093
ER  -