TY  - RPRT
TI  - Controlling estrus in dairy cows - A comparative field study.
AU  - H J Voss
AU  - W Holtz
PY  - 1985
DO  - 10.1016/0093-691x(85)90179-7
UR  - https://pubmed.ncbi.nlm.nih.gov/16726068/
ID  - 16726068
ER  -