41 



stress is on the medical aspects of the problem, particularly in the group 

 discussions following the papers. 



The book contains 12 papers with group discussions, and a final general 

 discussion. It is concluded by authors' and subject indexes. The book is well 

 printed. 



Authors o[ papers: Ford (Harwell), Giroud (Paris), Hamilton (London), Hoet (Louvain). 

 Ingalls (Pennsylvania), McKeown (Birmingham), McLaren (Edinburgh), Millen (Cam- 

 bridge), Murphy (New York), Nelson (San Francisco, Calif.), Penrose (London), Record 

 (Birmingham), Stevenson (Oxford), Tuchmann-Duplessis (Paris), Woollam (Cambridge). 



