Our changing health.
McDowell
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D005502:Food; D049672:History, 19th Century; D049673:History, 20th Century; D006761:Hospitals / Q000266:history; D013677:Medical Laboratory Science / Q000266:history; D009747:Nutritional Physiological Phenomena; D004364:Pharmaceutical Preparations / Q000266:history
D004364:Pharmaceutical Preparations