1. Radiation Oncology Investigations 10657541 15206823 1999 7 6
2. Gallbladder cancer: trend and risk distribution in Chile;Andia;Rev Med Chile,2006
3. MINSAL, Ministerio de Salud de Chile, Departamento de Estadísticas (DEIS). [Internet] 2007 [cited 2007 October 2]. Available from: www.minsal.cl.
4. Risk factors for gallbladder cancer: a reappraisal;Pandey;Eur J Cancer Prev,2003