[Design, organisation and management of a controlled population screening study for detection of colorectal neoplasia. Attendance rates in the NORCCAP study (Norwegian Colorectal Cancer Prevention)]

Bretthauer M, Gondal G, Larsen I.K, et al. [Design, organisation and management of a controlled population screening study for detection of colorectal neoplasia. Attendance rates in the NORCCAP study (Norwegian Colorectal Cancer Prevention).]Scand J Gastroenterol 2002; 37:568-73