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Volume 30(4);  April 15, 1944
Genetics
The Behavior of Oppositional Alleles in Polyploids of Trifolium Repens
Sanford S. Atwood
Proc Natl Acad Sci U S A. 1944 April 15; 30(4): 69–79.
PMCID: PMC1078671
Linkage Studies of the Rat (Rattus Norvegicus): VI
W. E. Castle and Helen Dean King
Proc Natl Acad Sci U S A. 1944 April 15; 30(4): 79–82.
PMCID: PMC1078672
Equilibrium in Genic Materials
Donald F. Jones
Proc Natl Acad Sci U S A. 1944 April 15; 30(4): 82–87.
PMCID: PMC1078673
Mathematics
The Matrices of Factor Analysis
A. A. Albert
Proc Natl Acad Sci U S A. 1944 April 15; 30(4): 90–95.
PMCID: PMC1078675
Laplace Transforms of a Class of Higher Dimensional Varieties in a Projective Space of n Dimensions
Shiing-shen Chern
Proc Natl Acad Sci U S A. 1944 April 15; 30(4): 95–97.
PMCID: PMC1078676
Pathology and Bacteriology
On the Rôle of Carbon Dioxide in the Metabolism of Clostridium Thermoaceticum
H. A. Barker
Proc Natl Acad Sci U S A. 1944 April 15; 30(4): 88–90.
PMCID: PMC1078674
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