TY  - RPRT
TI  - Human cervical mucus: research update.
AU  - D F Katz
PY  - 1991
DO  - 10.1016/s0002-9378(11)90559-6
UR  - https://pubmed.ncbi.nlm.nih.gov/1755453/
ID  - 1755453
ER  -