TY - BOOK AU - Chamoli Sanjay AU - Supervisor : Dr. Sunil Kumar AU - University of Delhi. Faculty of Medical Sciences. Department of Surgery ED - University of Delhi. Faculty of Medical Sciences. Department of Surgery TI - Pre-operative cytopathological diagnosis of gall bladder diseases by ultra sound guided percutanecus aspiration of GB Lumen (i.e. exfoiative cytology) : Its feasibility accuracy and safety KW - SURGERY ER -