title: Lactose-barium small bowel study. Efficacy as a screening method.
mesh_terms: D001466:Barium Sulfate; D002140:California; D005260:Female; D005471:Fluoroscopy; D006801:Humans; D007421:Intestine, Small / Q000000981:diagnostic imaging*; D007785:Lactose; D007787:Lactose Intolerance / Q000000981:diagnostic imaging* / Q000453:epidemiology; D008297:Male; D008403:Mass Screening; D008722:Methods; D008875:Middle Aged
chemical_list: D001466:Barium Sulfate; D007785:Lactose