title: Rickets in developing countries.
mesh_terms: D000328:Adult; D000818:Animals; D002128:Calcium Metabolism Disorders; D002648:Child; D002675:Child, Preschool; D003906:Developing Countries; D004872:Ergocalciferols / Q000378:metabolism; D004875:Ergosterol / Q000378:metabolism; D005395:Fish Oils; D006801:Humans; D007223:Infant; D010018:Osteomalacia; D010758:Phosphorus / Q000378:metabolism; D012279:Rickets; D013472:Sunlight; D014808:Vitamin D Deficiency
chemical_list: D004872:Ergocalciferols; D005395:Fish Oils; D010758:Phosphorus; D004875:Ergosterol