| Literature DB >> 4985286 |
A P Black, M A Keirn, J J Smith, G M Dykes, W E Harlan.
Abstract
Entities:
Mesh:
Substances:
Year: 1970 PMID: 4985286 PMCID: PMC1348866 DOI: 10.2105/ajph.60.4.740
Source DB: PubMed Journal: Am J Public Health Nations Health ISSN: 0002-9572