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127. Scott, M. L., Norris, L. C, and Heuser, G. F, J. Biol. Chem., 167, 261-72 (1947). 



128. Swank, R. L., and Bessey, 0. A., /. Nutrition, 22, 77-89 (1941). 



129. Jukes, T. H., Stokstad, E. L. R., and Belt, M., J. Nutrition, 33, 1-12 (1947). 



130. Fritz, J. C, Archer, W., and Barker, D., Poultry Sci., 18, 449-54 (1939). 



131. Hegsted, D. M., and Perry, R. L., J. Nutrition, 35, 411-17 (1948). 



132. Briggs, G. M., Jr., J. Nutrition, 31, 79-84 (1946). 



133. Briggs, G. M., Jr., J. Biol. Chem., 161, 749-50 (1945). 



134. Hegsted, D. M., and Rao, M. N., J. Nutrition, 30, 367-74 (1945). 



135. Richardson, L. R., Hogan, A. G., and Kempster, H. L., J. Nutrition 30, 151-7 



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136. Lance, B. G., and Hogan, A. G., J. Nutrition, 36, 369-79, (1948). 



137. Waisman, H. A., and McCall, K. B., Arch. Biochem., 4, 265-79 (1944). 



138. Leblond, C. P., and Chaulin-Serviniere, J., Am. J. Med. Sci., 203, 100-9 (1942). 



139. McCarrison, R., Brit. Med. J., I, 249-53 (1920). 



140. Arnold, A., and Elvehjem, C. A., Am. J. Physiol, 126, 289-98 (1939). 



141. Van Etten, C., Ellis, N. R., and Madsen, L. L., J. Nutrition, 20, 607-25 (1940). 



142. Everett, G. M., Am. J. Physiol, 141, 439-48 (1944). 



143. Street, H. R., and Cowgill, G. R., Am. J. Physiol, 125, 323-34 (1939). 



144. Hughes, E. H., J. Nutrition, 20, 233-8 (1940). 



145. Schaefer, A. E., Whitehair, C. K., and Elvehjem, C. A., J. Nutrition, 34, 131-9 



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146. Cooperman, J. M., Waisman, H. A., McCall, K. B., and Elvehjem, C. A., 



J. Nutrition, 30, 45-57 (1945). 



147. Harris, L. J., Biochem. J., 32, 1479-81 (1938). 



148. Margolis, G., Margolis, L. H., and Smith, S. G., J. Nutrition, 16, 541-8 (1938). 



149. Sebrell, W. H., Onstott, R. H., Fraser, H. F., and Daft, F. S., J. Nutrition, 16, 



355-62 (1938). 



150. Elvehjem, C. A., Madden. R. J., Strong, F. M., and Woolley, D. W., J. Biol 



Chem., 123, 137-49 (1938). 



151. Birch, T. W., J. Nutrition, 17, 281-92 (1939). 



152. Hughes, E. H., Hilgardia, 11, 595-612 (1939). 



153. Wintrobe, M. M., Am. J. Physiol, 126, 375-87 (1939). 



154. Braude, R., Kon, S. K., and White, E. G., Biochem. J., 40, 843-55 (1947). 



155. Hogan, A. G., and Hamilton, J. W., J. Nutrition, 23, 533-43 (1942). 



156. Wooley, J. G., and Sebrell, W. H., J. Nutrition, 29, 191-9 (1944). 



157. Olcese, O., Pearson, P. B., and Schweigert, B. S., J. Nutrition, 35, 577-90 (1948). 



158. Schaefer, A. E., McKibbin, J. M, and Elvehjem, C. A., J. Biol. Chem., 143, 



321-30 (1942). 



159. Hughes, E. H., and Ittner, N. R., J. Animal Sci., 1, 116-19 (1942). 



160. Cunha, T. J., Lindley, D. C., and Ensminger, M. E., J. Animal Sci., 5, 219-25 



(1946). 



161. Cooperman, J. M., Elvehjem, C. A., McCall, K. B., and Ruegamer, W. R., 



Proc. Soc. Exptl. Biol. Med., 61, 92-7 (1946). 



162. Cooperman, J. M., McCall, K. B., Ruegamer, W. R., and Elvehjem, C. A., 



J. Nutrition, 32, 37-45 (1945). 



163. Schaefer, A. E., Whitehair, C. K., and Elvehjem, C. A., Arch. Biochem., 12, 



349-57 (1947). 



164. Schaefer, A. E., Whitehair C. K., and Elvehjem, C. A., Proc. Soc. Exptl. Biol. 



Med., 62, 169-74 (1946). 



165. McKibbin, J. M., Thayer, S., and Stare, F. J., J. Lab. Clin. Med., 29, 1109-22 



(1944). 



166. Ruegamer, W. R., Michaud, L., Elvehjem, C. A., and Hart, E. B., Am. J. 



Physiol, 145, 23-7 (1945). 



167. Enterman, C, and Chaikoff, I. L., J. Biol. Chem., 138, 477-85 (1941). 



168. Horowitz, N. H., Proc. Natl. Acad. Sci. U. S., 31, 153-7 (1945). 



