title: Dark red bleeding as a marker for large bowel neoplasms: a pilot study.
mesh_terms: D000236:Adenoma / Q000175:diagnosis; D005260:Female; D006471:Gastrointestinal Hemorrhage; D006801:Humans; D007414:Intestinal Neoplasms / Q000175:diagnosis*; D007420:Intestine, Large; D008297:Male; D009780:Occult Blood