Studies of Human Organ System Function 91 



Norris, A. H., Shock, N. W., and Wagman, I. H. (1952). J. GeronL, 7, 



489. 

 Richards, D. W. (1956). Bull. N. Y. Acad. Med., 32, 407. 

 Shock, N. W. (1952). In Cowdry's Problems of Ageing, p. 614. Ed. A. I. 



Lansing. Baltimore: Williams & Wilkins. 

 Shock, N. W., Watkin, D. M., and Yiengst, M. J. (1955). In Rep. Ill 



Congr. Int. Ass. Geront., Old Age in the Modern World, p. 127. 



Edinburgh: Livingstone. 

 Shock, N. W., and Yiengst, M. J. (1955). J. Geront., 10, 31. 

 Silver, H. M., and Landowne, M. (1953). Circulation, 8, 510. 

 Silverstone, F. A., Brandfonbrener, M., Shock, N. W., and 



Yiengst, M. J. (1956). Fed. Proc, 15, 171. 

 Simonson, E., and Keys, A. (1956). Amer. Heart J., 52, 83. 

 Solomon, D. H., and Shock, N. W. (1950). J. Geront., 5, 302. 

 Watkin, D. M., Lang, C. A., Chow, B. F., and Shock, N. W. (1953). 



J. Nutrit., 50, 341. 

 Willius, F. A., Smith, H. L., and Sprague, P. H. (1933). Proc. Mayo 



Clin., 8, 140. 



[Discussion of this paper was postponed until after the paper by Prof. 

 Tunbridge. — Eds.] 



