title: A progress report. Detection of colorectal cancer using guaiac slides.
mesh_terms: D003110:Colonic Neoplasms / Q000175:diagnosis*; D003581:Cytodiagnosis; D005069:Evaluation Studies as Topic; D005243:Feces; D006138:Guaiac; D006801:Humans; D012004:Rectal Neoplasms / Q000175:diagnosis*
chemical_list: D006138:Guaiac