TY  - RPRT
TI  - Poultry sanitation standards.
AU  - R J HELVIG
AU  - R W HART
PY  - 1951
DO  - 10.2105/ajph.41.8_pt_1.938
UR  - https://pubmed.ncbi.nlm.nih.gov/14847015/
ID  - 14847015
ER  -