E Friedman. Show Affiliations »
Abstract
Mesh: See more » Education, Medical/economicsEducation, Medical/methodsEducation, Medical/organization & administrationEducation, Medical/statistics & numerical dataEducation, Medical/trendsUnited States
Year: 1993 PMID: 8371450 DOI: 10.1001/jama.270.12.1473
Source DB: PubMed Journal: JAMA ISSN: 0098-7484 Impact factor: 56.272