F J Ryan1. Show Affiliations » 1. DEPARTMENT OF ZOOLOGY, COLUMBIA UNIVERSITY, NEW YORK.
Abstract
Year: 1954 PMID: 16589452 PMCID: PMC527968 DOI: 10.1073/pnas.40.3.178
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205