Proc Natl Acad Sci U S A. 1927 Jul;13(7):488-92. doi: 10.1073/pnas.13.7.488.
Proceedings of the National Academy of Sciences of the United States of America
A E Hopkins
PMID: 16587204 PMCID: PMC1085059 DOI: 10.1073/pnas.13.7.488
[No abstract available.]