TY  - RPRT
TI  - Normal and delayed ovulation in the human.
AU  - W S Arrata
AU  - L Iffy
PY  - 1971
DO  - 10.1097/00006254-197110000-00001
UR  - https://pubmed.ncbi.nlm.nih.gov/4950890/
ID  - 4950890
ER  -