B S Levy1. Show Affiliations » 1. Barry S. Levy Associates, Sherborn, MA, USA.
Abstract
Mesh: See more » HumansPublic Health/trendsUnited States
Year: 1998 PMID: 9491005 PMCID: PMC1508205 DOI: 10.2105/ajph.88.2.188
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308