J W Churchman1. Show Affiliations » 1. Department of Hygiene, Cornell University Medical College, New York.
Abstract
Year: 1923 PMID： 16576670 PMCID： PMC1085270 DOI： 10.1073/pnas.9.3.78
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN： 0027-8424 Impact factor: 11.205