Two-century perspective of some major nutritional deficiency diseases in childhood.
In this review, dealing with historical aspects  and the present day situation in developing countries, three major nutritional deficiencies among children are discussed, namely rickets, iron deficiency anaemia and protein energy malnutrition (PEM).
D000747:Anemia, Hypochromic / Q000266:history*; D002648:Child; D002675:Child, Preschool; D003906:Developing Countries; D005002:Ethiopia; D005060:Europe; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011502:Protein-Energy Malnutrition / Q000266:history*; D012279:Rickets / Q000266:history*; D013188:Sri Lanka; D014416:Tunisia