title: Ancel Keys, seven countries study, China connections, and K rations.
authors.forename: Tsung O
authors.initials: TO
authors.lastname: Cheng
mesh_terms: D002309:Cardiology / Q000266:history; D002681:China; D004032:Diet / Q000266:history; D004046:Dietetics / Q000266:history; D005526:Food, Formulated / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D014481:United States