List of Participants 



O. Olbrich 

 A. S. Parkes 



R. E. TUNBRIDGE 



F. Verzar 



Jean Verzar-McDougall 



A. T. Welford. 



A. Zilli . 



Geriatric Unit, General Hospital, Sunderland 



National Inst, for Medical Research, Mill Hill, 

 London 



Dept. of Medicine, University of Leeds 



Physiological Inst. , University of Basle 



Physiological Inst. , University of Basle 



Dept. of Experimental Psychology, University 

 of Cambridge 



Societa Italiana di Gerontologia e Geriatria, 

 Florence 



