Importance of anatomical subsite in correlating risk factors in cancer of the oesophagus--report of a case--control study.

por Nandakumar, A., Anantha, N., Pattabhiraman, V., Prabhakaran, P. S., Dhar, M., Puttaswamy, K., Venugopal, T. C., Reddy, N. M., Rajanna, Vinutha, A. T., Srinivas
Publicado 1996