TY  - RPRT
TI  - Urea utilization by lactating cows.
AU  - J H Clark
AU  - S L Spahr
AU  - R G Derrig
PY  - 1973
DO  - 10.3168/jds.s0022-0302(73)85248-8
UR  - https://pubmed.ncbi.nlm.nih.gov/4736085/
ID  - 4736085
ER  -