jueves, 18 de diciembre de 2008

Colonoscopies May Miss Many Cancers

A popular screening test failed to detect far more colorectal cancers than expected.

Link:
http://www.nytimes.com/2008/12/16/health/16cancer.html?ex=1387083600&en=de8a04a3a29a1631&ei=5124&partner=digg&exprod=digg

No hay comentarios: