Abstract

References
1.
Chaudhuri
R N
Saha
T K
. (1959 ) Lancet
ii
493 .
2.
Faust
E C
Russell
P F
. (1964 ) Craig and Faust's Clinical Parasitology . 7th ed . London ; p 346 .
3.
Otto
G F
Berthrong
M
Appleby
R E
Rawlins
J C
Wilbur
O
. (1954 ) Bull. Johns Hopk. Hosp.
94 , 319 .
4.
Sherlock
S
. (1961 ) Disease of the Liver and Biliary System . 2nd ed . Oxford ;p 549 .
5.
Smith
M H D
Beaver
P C
. (1953 ) Pediatrics
12 , 491 .
6.
Soulsby
E J L
. (1968 ) Helminths, Arthropods and Protozoa of Domesticated Animals (Monning) . 6th ed . London ; p 323 .
7.
Sprent
J F A
. (1958 ) Parasitology
48 , 184 .
8.
Wiseman
R A
Woodruff
A W
. (1968 ) Brit. med. J.
i , 677 .
9.
Woodruff
A W
Thacker
C K
. (1964 ) Brit. med. J.
i , 1001 .
