title: Rickets and exposure to sunshine (presentation of two cases).
mesh_terms: D002664:Child Nutritional Physiological Phenomena; D004200:Diseases in Twins; D005002:Ethiopia; D005260:Female; D006266:Health Education; D006370:Heliotherapy / Q000379:methods*; D006801:Humans; D007223:Infant; D008895:Milk, Human; D026741:Physical Therapy Modalities / Q000379:methods*; D011859:Radiography; D012279:Rickets / Q000517:prevention & control / Q000628:therapy*; D013472:Sunlight; D014807:Vitamin D / Q000032:analysis; D014953:Wrist / Q000000981:diagnostic imaging
chemical_list: D014807:Vitamin D