H W Smith. Show Affiliations »
Abstract
Entities: Chemical Species
Mesh: See more » Animal FeedAnimalsAnti-Bacterial AgentsDrug Resistance, MicrobialEscherichia coli/drug effectsFeces/microbiologyFood AdditivesMicrobial Sensitivity TestsSwineTetracycline
Substances: See more » Anti-Bacterial AgentsFood AdditivesTetracycline
Year: 1973 PMID: 4574725 DOI: 10.1038/243237a0
Source DB: PubMed Journal: Nature ISSN: 0028-0836 Impact factor: 49.962