How many periods like this did you have in your life, lasting 2 or more Ws:Num:Pt:^Patient:Qn:CIDI-SF
how many periods like this did you have in your life, lasting 2 or more ws:num:pt:^patient:qn:cidi-sf
How many periods like this did you have in your life, lasting 2 or more weeks [CIDI-SF]
how many periods like this did you have in your life, lasting 2 or more weeks [cidi-sf]