References
- Heath , D.D. , Lawrence , S.B. , Glennie , A. and Twaalfhoven , H. 1985 . The use of excretory and secretory antigens of the scolex of Taenia ovis for the serodiagnosis of infection in dogs . J. Parasit. , 71 : 192 – 199 .
- Gemmel , M.A. 1968 . The Styx Field Trial. A study on the application of control measures against hydatid disease caused by Echinococcus granulosus . Bull. Wld Hlth Org. , 39 : 73 – 100 .