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Volume 7(11);  November 1921
The cover of the journal
Mathematics
On the Approximate Solutions in Integers of a Set of Linear Equations
H. F. Blichfeldt
Proc Natl Acad Sci U S A. 1921 November; 7(11): 317–319.
PMCID: PMC1084909
Pathology
A Physical Basis for Epidemiology
Simon Flexner and Harold L. Amoss
Proc Natl Acad Sci U S A. 1921 November; 7(11): 319–322.
PMCID: PMC1084910
Physics
The Mobilities of Electrons
Leonard B. Loeb
Proc Natl Acad Sci U S A. 1921 November; 7(11): 307–310.
PMCID: PMC1084907
Physiology
A Method for Obtaining Constants for Formulas of Organic Growth
H. S. Reed
Proc Natl Acad Sci U S A. 1921 November; 7(11): 311–316.
PMCID: PMC1084908
Journal Matter
Original table of contents page
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