52 
40. 
41. 
42, 
43. 
44, 
45. 
46. 
47. 
48. 
49. 
The Philippine Journal of Science 
ROBERTSON, W. E. WN. Y. Med. Journ. (1916), 103, 777. 
RopeT, A., and LEGRIFFOUL. Presse Medicale, Paris (1910), 18, 969. 
Rocers. Cited by Gutierrez (12). 
Rumpr. Cited by Miller (28). 
SAXxL. Cited by Miller (28). 
IpEM. Cited by Miller and Lusk (29). 
SLADEK and KotLowsky. Cited by Jobling, Petersen and Eggstein (17). 
THomas, H. B. Journ. Am. Med. Assoc. (1917), 69, 407. 
WAITZFELDER, E. N.Y. Med. Journ. (1916), 103, 407. 
WHITTINGTON, T. H. Lancet (1916), 1, 759. 
50. WRIGHT. Cited by Jobling, Petersen and Eggstein (17). 
