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This journal provides immediate access to some articles. Volume 38(3); March 1952 Biochemistry The Radiation Sensitivity of Catalase as a Function of Temperature PMCID: PMC1063529 The Physical Inactivation of Invertase PMCID: PMC1063530 Ionizing Particle Evidence for the Molecular Weight of the Pneumococcus Transforming Principle PMCID: PMC1063531 Studies on the Hemoglobin of Cooley's Anemia and Cooley's Trait PMCID: PMC1063532 Chemistry Chemical Valence Forces and Binding Energy Calculations PMCID: PMC1063526 Genetics Threonine Inhibition in a Strain of Neurospora PMCID: PMC1063533 Observations on the Behavior of Suppressors in Neurospora PMCID: PMC1063534 The Effects of Gene Change on Tryptophan Desmolase Formation PMCID: PMC1063535 Mathematics Partial Differential Equations and Analytic Continuations PMCID: PMC1063536 The Dirichlet Problem for Linear Elliptic Equations of Arbitrary Even Order with Variable Coefficients PMCID: PMC1063537 Integration of Stiff Equations PMCID: PMC1063538 The Elementary Basic Principles of the Unified Theory of Relativity PMCID: PMC1063539 Homology Relations on Regular Orientable Manifolds PMCID: PMC1063540 Criteria for Linear Equivalence PMCID: PMC1063541 Pathology Rapid Effects Upon the Renal Circulation Produced by Nephrotoxic Globulin Administration in the Rat PMCID: PMC1063542 Physics Superposition of Configurations: The Helium Atom PMCID: PMC1063527 A Comparative Survey of Approximate Ground State Wave Functions of Helium Atom and Hydrogen Molecule PMCID: PMC1063528 Zoology Shape and Movement of Mesenchyme Cells as Functions of the Physical Structure of the Medium: Contributions to a Quantitative Morphology PMCID: PMC1063543 Correction A New Discussion of the Changes in the Earth's Rate of Rotation PMCID: PMC1063544 Corrects: A New Discussion of the Changes in the Earth's Rate of Rotation. Proc Natl Acad Sci U S A. 1952 January; 38(1): 1–12. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||
