Roberto Chávez

Bibliographic Note This Report Draws on a Wide Range of World Bank Docu- Ments and on Numerous outside Sources. Background Pa- Pers and Notes Were Prepared

Michael L. Ross, Ahmed A. R. Eiweida, E. Ostrom, 2002 .

Oncocitoma renal incidental

Roberto Chávez, Axel Costilla Montero, B. Benítez, 2011 .