Proc Natl Acad Sci U S A. 1915 Dec;1(12):632-3. doi: 10.1073/pnas.1.12.632.
Proceedings of the National Academy of Sciences of the United States of America
[No authors listed]
PMID: 16576091 PMCID: PMC1090917 DOI: 10.1073/pnas.1.12.632
[No abstract available.]