TY  - RPRT
TI  - Ovum factor and early pregnancy factor.
AU  - H Morton
AU  - B E Rolfe
AU  - A C Cavanagh
PY  - 1987
DO  - 10.1016/s0070-2153(08)60620-1
UR  - https://pubmed.ncbi.nlm.nih.gov/3330508/
ID  - 3330508
ER  -