Abstract

References
1.British Pharmacopœia , 1948 ; Addendum 1951 to the British Pharmacopœia 1948 ; London.
2.
Long
D. A.
Miles
A. A.
(1950 ) Lancet (i), 492 .
3.
Wadley
F. M.
(1948 ) Biometrics , 4 , 100 .
4.
Wadley
F. M.
(1949 ) Amer. Rev. Tuberc. , 60 , 131 .
