HIV Rx prior to enrollment:Type:Pt:^Patient:Nom:Reported
hiv rx prior to enrollment:type:pt:^patient:nom:reported
Human immunodeficiency virus Rx prior to enrollment:Type:To identify measures at a point in time:^Patient:Nominal:Reported
human immunodeficiency virus rx prior to enrollment:type:to identify measures at a point in time:^patient:nominal:reported