TY - GEN AU - Järvinen,H J TI - Other gastrointestinal polyps SN - 0364-2313 PY - 1991///0321 KW - Humans KW - Intestinal Polyps KW - classification KW - Polyps KW - Stomach Neoplasms N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/BF01658961 ER -