At what age did you first take premarin:Time:Pt:^Patient:Qn:California Teachers Study
at what age did you first take premarin:time:pt:^patient:qn:california teachers study
At what age did you first take premarin:Time:To identify measures at a point in time:^Patient:Quantitative:California Teachers Study
at what age did you first take premarin:time:to identify measures at a point in time:^patient:quantitative:california teachers study