V K Shukla, A Prakash, B D Tripathi, D C S Reddy, S Singh
Shukla V K, Prakash A, Tripathi B D, Reddy D C S, Singh S.
Biliary heavy metal concentrations in carcinoma of the gall bladder: case-control study
BMJ 1998; 317 :1288
doi:10.1136/bmj.317.7168.1288