title: A young postman with abdominal pain and diarrhea.
mesh_terms: D000005:Abdomen; D000328:Adult; D001064:Appendicitis / Q000150:complications / Q000175:diagnosis*; D001466:Barium Sulfate; D002429:Cecal Diseases / Q000175:diagnosis; D003937:Diagnosis, Differential; D003967:Diarrhea / Q000209:etiology*; D004733:Enema; D004927:Escherichia coli Infections / Q000175:diagnosis; D006801:Humans; D008297:Male; D010146:Pain / Q000209:etiology*
chemical_list: D001466:Barium Sulfate