TY  - RPRT
TI  - Simple test for determining ovulation time.
AU  - C H Birnberg
AU  - R Kurzrok
AU  - A Laufer
PY  - 1958
DO  - 10.1001/jama.1958.62990100002010a
UR  - https://pubmed.ncbi.nlm.nih.gov/12305472/
ID  - 12305472
ER  -