Brain hypoxia: (Proceedings of the international symposium on brain hypoxia, August 26–28, 1970, at the Medical Research Council Laboratories, Carshalton, Surrey). (Clinics in developmental medicine, No. 39/40, Spastics International Medical Publications), by J. B. Brierley and B. S. Meldrum (eds.), with a preface by P. E. Polani, xvi + 320 pages, 195 illustrations, 37 tables, Heine-mann, London, 1971, £ 4.50