308 ADVENTURES IN RADIOISOTOPE RESEARCH 



as a main source of milk phosphatides. A detailed description of these and a great 

 number of additional experiments are described in the D. Sc. thesis of A. H. W. 

 Aten Jr. (1939). 



References 



C. Artom, C. Perkier, M. Santangello and E. Segre (1934) Nature 139, 836. 



I. Perlman, S. Ruben and I. L. Chaikoff (1934) J. Biol. Chern. 122, 169. 



A. H. W. Aten Jr. (1939) Isotopes and Formation of Milk and Egg. Dissertation, 



Utrecht. 

 C. Entenman, I. L. Chaikoff and D. B. Zilversmit (1946) /. Biol. Chem. 160, 5. 

 G. Hevesy and I. Smedley-Maclean (1940) Biochem J. 34, 903 . 



