TY  - RPRT
TI  - [Taking cervical mucus samples from cows].
AU  - N N Mikhaĭlov
AU  - M A Luchko
AU  - Z S Konnova
PY  - 1967
UR  - https://pubmed.ncbi.nlm.nih.gov/5628688/
ID  - 5628688
ER  -