During the past 3Y, have you had any chest illnesses that have kept you off work, indoors at home, or in bed:Find:3Y:^Patient:Ord:PhenX
during the past 3y, have you had any chest illnesses that have kept you off work, indoors at home, or in bed:find:3y:^patient:ord:phenx
During the past 3Y, have you had any chest illnesses that have kept you off work, indoors at home, or in bed:Find:3Y:^Patient:Ord:PhenX
during the past 3y, have you had any chest illnesses that have kept you off work, indoors at home, or in bed:find:3y:^patient:ord:phenx