Savarino SJ, Hall ER, Bassily S, Wierzba TF, Youssef FG, Peruski LF, Abu-Elyazeed R, Rao M, Francis WM, El Mohamady H, Safwat M, Naficy AB, Svennerholm AM, Jertborn M, Lee YJ, Clemens JD. Introductory evaluation of an oral, killed whole cell enterotoxigenic Escherichia coli plus cholera toxin B subunit vaccine in Egyptian infants. Pediatr Infect Dis J. 2002 Apr; 21(4):322-30.