R W Hegner1. Show Affiliations » 1. School of Hygiene and Public Health, Johns Hopkins University.
Abstract
Year: 1919 PMID: 16576342 PMCID: PMC1091516 DOI: 10.1073/pnas.5.1.19
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205