History of negative colorectal endoscopy and risk of rectosigmoid neoplasms at screening flexible sigmoidoscopy.
Authors:
Bonelli L, Sciallero S, Senore C, Zappa M, Aste H, Andreoni B, Angioli D, Ferraris R, Gasperoni S, Malfitana G, Pennazio M, Atkin W, Segnan N; SCORE Working Group.
Journal:
Int J Colorectal Dis 2006; 21: 105-13.