1. Aron, H.:Medical Diseases in Tropical and Subtropical Areas, 1930.
2. Bahr, P. Manson:Tropical Diseases, 1935.
3. Baker:Inst. Med. Research, Monograph, Pract. Anæsthesia, 1932.
4. Bowman, F. H.:Amer. Jour. Surg., vol. xxiii, Feb., 1934.
5. Bull:Brit. Med. Jo., 1927, ii, 566.