title: Epidemiology of angular stomatitis and bleeding gums.
mesh_terms: D000293:Adolescent; D001205:Ascorbic Acid / Q000097:blood / Q000627:therapeutic use; D001206:Ascorbic Acid Deficiency / Q000150:complications / Q000175:diagnosis*; D001219:Aspartate Aminotransferases / Q000097:blood; D002648:Child; D002664:Child Nutritional Physiological Phenomena; D004796:Clinical Enzyme Tests; D005882:Gingival Diseases / Q000209:etiology; D005980:Glutathione Reductase / Q000097:blood; D006801:Humans; D009749:Nutrition Surveys; D006472:Oral Hemorrhage / Q000097:blood / Q000188:drug therapy / Q000453:epidemiology* / Q000209:etiology; D012256:Riboflavin / Q000627:therapeutic use / Q000652:urine; D012257:Riboflavin Deficiency / Q000150:complications / Q000175:diagnosis*; D012621:Seasons; D013280:Stomatitis / Q000188:drug therapy / Q000453:epidemiology* / Q000209:etiology / Q000378:metabolism
chemical_list: D005980:Glutathione Reductase; D001219:Aspartate Aminotransferases; D001205:Ascorbic Acid; D012256:Riboflavin