TY  - RPRT
TI  - Gonadotropic preparations--lessons learned.
AU  - B Lunenfeld
AU  - E Lunenfeld
PY  - 1997
DO  - 10.1016/s0015-0282(97)81389-1
UR  - https://pubmed.ncbi.nlm.nih.gov/9130882/
ID  - 9130882
ER  -