TY  - RPRT
TI  - Estimation of rumen microbial nitrogen by three analytical methods.
AU  - T A Shultz
AU  - E Shultz
PY  - 1970
DO  - 10.3168/jds.s0022-0302(70)86290-7
UR  - https://pubmed.ncbi.nlm.nih.gov/4315914/
ID  - 4315914
ER  -