TY - GEN AU - Langdon,D E TI - Colonoscopy and missed colon cancers SN - 0016-5107 PY - 1998///0505 KW - Colonic Neoplasms KW - diagnosis KW - Colonoscopy KW - adverse effects KW - Humans KW - Pain KW - etiology N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1016/s0016-5107(98)70360-8 ER -