title: Rachitis in children up to 2 years of age in Addis-Abeba (Ethiopia) and some peculiarities in its clinical picture.
mesh_terms: D000367:Age Factors; D002675:Child, Preschool; D005002:Ethiopia; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012279:Rickets / Q000453:epidemiology*