Hydrogen/Expired gas^45M post dose lactose PO:VFr:Pt:Exhl gas:Qn
hydrogen/expired gas^45m post dose lactose po:vfr:pt:exhl gas:qn
Hydrogen/Expired gas [Volume Fraction] in Exhaled gas --45 minutes post dose lactose PO
hydrogen/expired gas [volume fraction] in exhaled gas --45 minutes post dose lactose po