How many Y did you take calcium, alone or combined with something else such as in a bone health supplement or in an antacid:Time:Pt:^Patient:Qn:PhenX
how many y did you take calcium, alone or combined with something else such as in a bone health supplement or in an antacid:time:pt:^patient:qn:phenx
How many Y did you take calcium, alone or combined with something else such as in a bone health supplement or in an antacid:Time:To identify measures at a point in time:^Patient:Quantitative:PhenX
how many y did you take calcium, alone or combined with something else such as in a bone health supplement or in an antacid:time:to identify measures at a point in time:^patient:quantitative:phenx