T B Schwartz. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » AdvertisingDrug IndustryUnited States
Year: 1989 PMID: 2716780 DOI: 10.1056/nejm198905183202018
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245