00404nas a2200145   4500000000100000008004100001100001500042700001600057700001800073245008800091250001500179300001000194490000800204020004600212       2010                            d1 aKeyhani S.1 aFederman A.1 aWoodward Mark00aPhysician views on the use of comparative effectiveness research: a national survey  a2010/10/20  a551-20 v153  a1539-3704 (Electronic)0003-4819 (Linking)