The Incidence and Gastrointestinal Infectious Risk of Functional Gastrointestinal Disorders in a Healthy US Adult PopulationChad K. Porter, Mark S. Riddle, Robert Gormley et al.|The American Journal of Gastroenterology|2010Cited by 111
Safety and immunogenicity of an intranasal Shigella flexneri 2a Invaplex 50 vaccineMark S. Riddle, Edwin V. Oaks, Melissa Coughlin et al.|Vaccine|2011Cited by 79