• Sonographic diagnosis of biliary ascariasis 

      Schulman, A.; Loxton, A. J.; Heydenrych, J. J.; Abdurahman, K. E. (1982)
      In a prospective 6 month study, sonographic diagnosis of biliary ascariasis was made in 12 patients: In five, the diagnosis was confirmed by other means, mainly intravenous cholangiography. In three, such confirmation was ...