VR-12 Mental component summary score change - oblique method:TscoreDiff:Pt:^Patient:Qn:VR
vr-12 mental component summary score change - oblique method:tscorediff:pt:^patient:qn:vr
VR-12 Mental component summary score change - oblique method:TscoreDiff:Pt:^Patient:Qn:VR
vr-12 mental component summary score change - oblique method:tscorediff:pt:^patient:qn:vr