Coral and bells: the mysterious history of teethers and rattles.
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Alberts
D005060:Europe; D049668:History, 15th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049690:History, Ancient; D006801:Humans; D007223:Infant; D007224:Infant Care / Q000266:history*; D010988:Play and Playthings / Q000266:history*; D014078:Tooth Eruption; D014481:United States