1. Worldwide status of hydatid disease control;Schantz;Journal of the American Veterinary Medical Association,1969
2. Research needs in Echinococcosis (Hydatidosis);Abdussalam;Bulletin World Health Organization,1968
3. Advances in knowledge on the distribution and importance of hydatid disease as world health and economic problems during the decade 1950–1959;Gemmell;Helminthological Abstracts,1960