A nutritional deficiency disease that is characterized by stomatitis, cheilosis, glossitis, conjunctivitis, and anemia, develops_from vitamin B2 (riboflavin) deficiency, has_symptom red chapped lips, painful swollen tongue, sore throat, blurred vision, and fatigue, and has_material_basis_in inadequate intake, endocrine disorder, liver disorder, alcoholism, and dialysis. [ http://purl.obolibrary.org/obo/ECO_0007646 url:https://www.ncbi.nlm.nih.gov/books/NBK470460/ ]