Abstract

References
1.Brit. Journ. of Surg. , 1917 , v , p. 519 .
2.Brit. Journ. of Surg. , 1927 , xv , p. 1 .
3.Brit. Journ. of Surg. , 1928 , xvi , p. 181 .
4.Brit. Journ. of Surg. , 1916 , iv , p. 369 .
5.Brit. Journ. of Surg. , 1915 , iii , p. 349 .
6.Brit. Journ. of Surg. , 1915 , iii , p. 5 .
7.Brit. Journ. of Surg. , 1926 , xiv , p. 557 .
8.Brit. Journ. of Surg. , 1926 , xiv , p. 385 .
9.Brit. Journ. of Surg. , 1914 , ii , p. 1 .
