TY - RPRT TI - Timed ammonia release for steers. AU - K L Mizwicki AU - F N Owens AU - K Poling AU - G Burnett PY - 1980 DO - 10.2527/jas1980.513698x UR - https://pubmed.ncbi.nlm.nih.gov/7440454/ ID - 7440454 ER -