- P. B. Hamilton, A. L. Shug, and P. W. Wilson
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Spectrophotometric Examination of Hydrogenase and Nitrogenase in Soybean Nodules and Azotobacter
PNAS 1957 43: 297-304.
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- John H. Northrop
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Optically Active Compounds from Racemic Mixtures by Means of Random Distribution
PNAS 1957 43: 304-305.
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- Norman H. Giles, C. W. H. Partridge, and Norma J. Nelson
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The Genetic Control of Adenylosuccinase in Neurospora crassa
PNAS 1957 43: 305-317.
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- E. Novitski and Iris Sandler
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Are All Products of Spermatogenesis Regularly Functional?
PNAS 1957 43: 318-324.
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- W. L. Russell
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Shortening of Life in the Offspring of Male Mice Exposed to Neutron Radiation from an Atomic Bomb
PNAS 1957 43: 324-329.
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- P. D. Skaar, Alan Richter, and Joshua Lederberg
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Correlated Selection for Motility and Sex-Incompatibility in Escherichia coli K12
PNAS 1957 43: 329-333.
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- Luther P. Eisenhart
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A Unified Theory of General Relativity of Gravitation and Electromagnetism. IV
PNAS 1957 43: 333-336.
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- K. O. Friedrichs and H. N. Shapiro
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Integration over Hilbert Space and Outer Extensions
PNAS 1957 43: 336-338.
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- Walter Rudin
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Factorization in the Group Algebra of the Real Line
PNAS 1957 43: 339-340.
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- Jerrold M. Yos, William L. Bade, and Herbert Jehle
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Specificity of the London-Eisenschitz Wang Force
PNAS 1957 43: 341-346.
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- Ernest Glen Wever and Jack A. Vernon
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The Auditory Sensitivity of the Atlantic Grasshopper
PNAS 1957 43: 346-348.
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- W. N. Schoenfeld and W. W. Cumming
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Some Effects of Alternation Rate in a Time-Correlated Reinforcement Contingency
PNAS 1957 43: 349-354.
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- Petar N. Martinovitch
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Transplantations of the Embryonic Chick Forebrain Region Before Establishment of Circulation
PNAS 1957 43: 354-356.
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