00446nas a2200181 4500000000100000000000100001008004100002100001600043700001500059700001100074700001400085700001300099700001500112245010400127300001200231490000700243022001400250 2017 d1 aA. Abhishek1 aM. Doherty1 aC. Kuo1 aC. Mallen1 aW. Zhang1 aM. Grainge00aRheumatoid arthritis is getting less frequent-results of a nationwide population-based cohort study a736-7440 v56 a1462-0324