200 RADIOISOTOPES IN BIOLOGY AND AGRICULTURE 



50. Farmer, Earle C, and Irving A. Berstein: Determination of Specific Activities of 

 Tritium-labeled Compounds with Liquid Scintillators, Science, 117 : 279-280 

 (1953). 



51. Roucayrol, Jean-Claude: A Scintillation Counter for the Measurement of Weak 

 i3 Rays, Science, 118: 493 (1953). 



52. Rosenthal, Donald J., and Hal O. Anger: The Liquid Scintillation Counting of 

 Tritium and C^Mabeled Compounds, UCRL-2320, Aug. 21, 1953. 



53. Tait, J. F., and E. S. Williams: Assay of Mixed Radioisotopes, Nucleonics, 10: 

 47-51 (1952). 



54. Peacock, Wendell C, Robley D. Evans, John W. Irvine, Jr., Wilfred M. Good, 

 Arthur F. Kip, Soma Weiss, and John G. Gibson, 2d: The Use of Two Radioactive 

 Isotopes of Iron in Tracer Studies of Erythrocytes, J. Clin. Invest., 25: 605-615 

 (1946). 



55. Saylor, Linda, and Clement A. Finch: Determination of Iron Absorption Using 

 Two Isotopes of Iron, Am. J. Physiol, 172 : 372-376 (1953). 



56. Connally, R. E., and M. B. LeBoeuf: Analysis of Radionuclide Mixtures, Anal. 

 Chem., 25: 1095 (1953). 



57. Ennor, A. H., and H. Rosenberg: The Separation and Determination of ^^Na and 

 32? in Animal Tissues, Biochem. J. London, 52: 591-593 (1952). 



58. Strajman, Enrique, and Nello Pace: In Vivo Studies with Radioisotopes, Advances 

 in Biol, and Med. Phys., 2 : 193-241 (1951). 



59. Maclntyre, William J.: A Scintillation Counter for Measurement of U^i Uptake 

 in the Thyroid Gland, Proc. Soc. Exptl. Biol. Med., 75: 561-565 (1950). 



60. Allen, Herbert C, Jr., and William E. Goodwin: The Scintillation Counter as an 

 Instrument for In Vivo Determination of Thyroid Weight, Radiology, 58 : 68-79 

 (1952). 



61. Freedberg, A. Stone, David L. Chamovitz, and George S. Kurland: Thyroid 

 Function in Normal and Pathological States as Revealed by Radioactive Iodine 

 Studies. I. Thyroid 1"^ Uptake and Turnover in Euthyroid, Hyperthyroid and 

 Hypothyroid Subjects, Metabolism Clin, and Exptl., 1: 26-35 (1952). 



62. Fields, Theodore, and George V. LeRoy: An Accurate Method for the Measure- 

 ment of Radioiodine in the Thyroid Gland by an External Coimter, Radiology, 

 58: 57-67 (1952). 



63. Cassen, Benedict, Lawrence Curtis, Clifton Reed, and Raymond Libby: Instru- 

 mentation for I'^i Use in Medical Studies, Nucleonics, 9: 46-50 (1951). 



64. Bauer, K. F., W. E. Goodwin, R. L. Libby, and B. Cassen: Visual Delineation of 

 Thyroid Glands In Vivo, J. Lab. Clin. Med., 39: 153-158 (1952). 



65. Goodwin, William E., Benedict Cassen, and Frank K. Bauer: Thyroid Gland 

 Weight Determination from Thyroid Scintigrams with Postmortem Verification, 

 Radiology, 61: 88-92 (1953). 



66. Anger, H. O.: A Multiple Scintillation Counter In Vivo Scanner, Am. J. Roent- 

 genol. Radium Therapy Nuclear Med., 70: 605-612 (1953). 



67. Blincoe, Clifton: In Vivo Determination of Thyroid I'^' of Dairy Cows, Nucleonics, 

 11: 70-71 (1953). 



68. Maclntyre, William J., and Jack R. Leonards: A Continuous Recording Deter- 

 mination of Radioactive Tracers from Circulating Blood, NYO-4029, Apr. 21, 1953. 



69. Kohl, Douglas: Scintillation-counter Brain Needle, Nucleonics, 8: 79-83 (1951). 



70. Jonas, H.: Some Effects of the Concentration of Potassium Bicarbonate on the 

 Uptake of K^^ by Sunflowers as Determined by a Localizing Scintillation Count- 

 rate Meter (Personal commimication). 



71. Schulman, John, Jr., and Marlene Falkenheim: Review of Conventions in Radio- 

 tracer Studies, Nucleonics, 3: 13-23 (1948). 



