The decline of infant mortality in the Belgian districts at the turn of the 20th century.
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D001530:Belgium / Q000208:ethnology; D002654:Child Care / Q000191:economics / Q000266:history / Q000331:legislation & jurisprudence / Q000523:psychology; D002669:Child Welfare / Q000191:economics / Q000208:ethnology / Q000266:history / Q000331:legislation & jurisprudence / Q000523:psychology; D002675:Child, Preschool; D002947:Cities / Q000191:economics / Q000208:ethnology / Q000266:history / Q000331:legislation & jurisprudence; D003625:Data Collection / Q000191:economics / Q000266:history / Q000331:legislation & jurisprudence; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007226:Infant Mortality / Q000208:ethnology / Q000266:history; D007231:Infant, Newborn; D008499:Medical Records / Q000191:economics / Q000331:legislation & jurisprudence; D008722:Methods; D011634:Public Health / Q000191:economics / Q000193:education / Q000266:history / Q000331:legislation & jurisprudence; D012106:Research / Q000191:economics / Q000193:education / Q000266:history / Q000331:legislation & jurisprudence