Prospective multicenter performance evaluation of the second-generation colon capsule compared with colonoscopy - Eliakim, R.; Yassin, K.; Niv, Y.; Metzger, Y.; Lachter, J.; Gal, E.; Sapoznikov, B.; Konikoff, F.; Leichtmann, G.; Fireman, Z.; Kopelman, Y.; Adler, S. N. (Endoscopy, 2009)