PhenX - respiratory - urine assay for tobacco smoke exposure protocol 091701:-:Pt:^Patient:-:PhenX
phenx - respiratory - urine assay for tobacco smoke exposure protocol 091701:-:pt:^patient:-:phenx
PhenX - respiratory - urine assay for tobacco smoke exposure protocol 091701:-:To identify measures at a point in time:^Patient:-:PhenX
phenx - respiratory - urine assay for tobacco smoke exposure protocol 091701:-:to identify measures at a point in time:^patient:-:phenx