TY - RPRT TI - Nonfunctioning islet cell tumor presenting as gastrointestinal bleeding. AU - R Stalnikowicz AU - A Fich AU - G Lijovetzky AU - M M Krausz PY - 1986 DO - 10.1097/00004836-198612000-00031 UR - https://pubmed.ncbi.nlm.nih.gov/3027161/ ID - 3027161 ER -