title: Histidinemia with features of the Marfan syndrome.
mesh_terms: D000293:Adolescent; D004452:Echocardiography; D005132:Eye Manifestations; D006639:Histidine / Q000097:blood* / Q000652:urine; D006638:Histidine Ammonia-Lyase / Q000097:blood; D006801:Humans; D008297:Male; D008382:Marfan Syndrome / Q000097:blood* / Q000175:diagnosis / Q000201:enzymology / Q000235:genetics; D009887:Ophthalmoscopy
chemical_list: D006639:Histidine; D006638:Histidine Ammonia-Lyase