Which of the following does not cause biliary tract obstruction ?
Pathogenesis and clinical features of ankylostoma duodanale Infective agent: filariform larvae Poal of entry: skin The worm causes hookworm disease in man characterized mainly by anaemia. (refer pgno:144 baveja 3 rd edition)
Ascaris lumbricoides
Ankylostoma duodenale
Clonorchis sinensis
Fasciola hepatia
parasitology