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Proc Natl Acad Sci U S A. 1951 Apr; 37(4): 205–211.
PMCID: PMC1063337
PMID: 14816373

The Structure of Proteins

Two Hydrogen-Bonded Helical Configurations of the Polypeptide Chain

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Articles from Proceedings of the National Academy of Sciences of the United States of America are provided here courtesy of National Academy of Sciences

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