title: Colorectal cancer. Negative results may falsely reassure.
authors.forename: Lucy V
authors.initials: LV
authors.lastname: Harding
mesh_terms: D015179:Colorectal Neoplasms / Q000175:diagnosis* / Q000523:psychology; D005188:False Negative Reactions; D006801:Humans; D008403:Mass Screening; D009780:Occult Blood