*1: Added PMIDs: 32602114, 22027650 to reflect well established normal function (PharmGKB and PharmVar CYP2C19 review articles) |Removed PMIDs: 12464799, 17455109, 18312490, 21325430, 25001882, 20712527, 26244421, 7484048 becuase well established alleles do not require primary literature review