TY  - RPRT
TI  - Cervical mucus determinations.
AU  - J A Collins
AU  - R F Casper
AU  - W Wrixon
PY  - 1985
DO  - 10.1016/s0015-0282(16)48755-8
UR  - https://pubmed.ncbi.nlm.nih.gov/4018285/
ID  - 4018285
ER  -