L C Yu. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » Bibliographies as TopicChinaMedicinePublic Health
Year: 1974 PMID: 4594289 PMCID: PMC1775594 DOI: 10.2105/ajph.64.4.406
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308