Maya L Petersen1, Mark J van der Laan. Show Affiliations » 1. Division of Biostatistics, School of Public Health, University of California, Berkeley, CA.
Abstract
Year: 2007 PMID: 21399753 PMCID: PMC3052779 DOI: 10.1093/aje/kwm230
Source DB: PubMed Journal: Am J Epidemiol ISSN: 0002-9262 Impact factor: 4.897