Sangue oculto nas fezes: uma comparação entre os métodos químico e imunoquímico
Arq. gastroenterol; 55 (2), 2018
ABSTRACT BACKGROUND: Colorectal bleeding is a warning sign that may be identified by fecal occult blood testing. A positive fecal occult blood test result requires a subsequent colonoscopy, a costly and invasive examination. Therefore, the use of diagnostic tests with optimal sensitivity and specificit...