TY - GEN AU - Stephenson,B M AU - Finan,P J AU - Bishop,D T TI - Colonoscopic screening SN - 0012-3706 PY - 1991///0103 KW - Colonoscopy KW - Colorectal Neoplasms KW - diagnosis KW - Humans KW - Mass Screening N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1007/BF02139230 ER -