R Pearl1. Show Affiliations » 1. Biological Laboratory, Maine Agricultural Experiment Station.
Abstract
Year: 1916 PMID: 16586657 PMCID: PMC1091135 DOI: 10.1073/pnas.2.12.675
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205