TY  - RPRT
TI  - Birth control: some experiences from Denmark.
AU  - H Wielandt
AU  - L B Knudsen
PY  - 1997
DO  - 10.1016/s0010-7824(97)00035-8
UR  - https://pubmed.ncbi.nlm.nih.gov/9220227/
ID  - 9220227
ER  -