1. Neuropeptides and cell proliferation;Hill,1991
2. Neuropeptides and gastrointestinal immunity;O'Dorisio;Am. J. Med.,1987
3. Low levels of colonic somatostatin and galanin in patients with colon carcinoma;El-Salhy;GI Cancer,1998
4. Colonic endocrine cells in patients with carcinoma of the colon;El-Salhy;Eur. J. Gastroenterol. Hepatol.,1998
5. Colonic endocrine cells in patients with carcinoma of the rectum with special regard to preoperative irradiation;El-Salhy;GI Cancer,1998