1. Gall bladder disease. Prevalence in South Wales industrial town;Bainton, D.B.; Davies, G.T.; Evans, K.T.;N Engl J Med,1976
2. Rome Group for the Epidemiology and Prevention of Cholelithiasis (GREPCO). Prevalence of gallstone disease in Italian adult female population;Am J Epidemiol,1984
3. Biliary ascariasis: A common cause of biliary and panfcreatic disease;Khuroo, M.S.; Zargar, S.A.
4. Sonographic appearances in biliary ascariasis;Khuroo, M.S.; Zargar, S.A.; Mahajan, R.; Bhat, R.L.; Javid, Gul;Gastroenterology,1987
5. Diagnostic ultrasound in gastroenterology;Bolondi, L.; Gandolfi, L.; Labox, G.,1984