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Previous Issue: New Series, Vol. 111, No. 2872, Jan. 13, 1950
Next Issue: New Series, Vol. 111, No. 2874, Jan. 27, 1950
On the Notions of Causality and Complementarity, pp. 51-54
- Niels Bohr
In Memoriam
- Leonor Michaelis: 1875-1949, p. 55
- W. Mansfield Clark
- Alfred Lee Franklin: 1919-1949, pp. 55-56
- Thomas H. Jukes
- Ralph R. Parker: 1888-1949, pp. 56-57
- Victor H. Haas
Technical Papers
- Carbon 14 Beta Track Autoradiography, pp. 58-59
- George A. Boyd; Hilde Levi
- A Technique for Sectioning Microfossils, p. 60
- Stuart A. Levinson
- The Fate of Plasma Cells, p. 60
- P. Bueno
- Isolation of 17-Hydroxy 11-Dehydro Corticosterone (Kendall's Compound E) from Urine of Normal Males, p. 61
- John J. Schneider
- Large Scale Paper Chromatography, pp. 61-62
- Charles Yanofsky; Elga Wasserman; David M. Bonner
- Relationship in Mice of Intestinal Emptying Time and Natural Resistance to Pig Ascaris Infection, pp. 62-63
- John E. Larsh
- Electrometric Titration of Some Functional Groups, pp. 63-64
- T. Higuchi; Carl J. Lintner; Robert H. Schleif
- Quantitative Evaluation of Gomori Histochemical Preparations, pp. 64-65
- W. L. Doyle
- Comparison of Electroencephalographs of Young Rats from Dams on Synthetic and on Normal Diets, pp. 65-66
- M. D. Overholser; J. R. Whitley; B. L. O'Dell; A. G. Hogan
- Studies on the Life Cycle of Syphacia obvelata, a Common Nematode Parasite of Rats, pp. 66-67
- Marjorie Jean Raecke Prince
Comments and Communications
- The Donora Episode, pp. 67-68
- Clarence A. Mills
- Correction, p. 68
- Herbert A. Sober; Gerson Kegeles; Fred J. Gutter
- Molecular Orientation and Intracellular Photometric Analysis, pp. 68-73
- Arthur W. Pollister; Hewson H. Swift; Barry Commoner
Scientific Book Register, p. 74
News and Notes, pp. 75-78
Previous Issue: New Series, Vol. 111, No. 2872, Jan. 13, 1950
Next Issue: New Series, Vol. 111, No. 2874, Jan. 27, 1950