Methane/Expired gas^3H post dose lactose PO:VFr:Pt:Exhl gas:Qn
methane/expired gas^3h post dose lactose po:vfr:pt:exhl gas:qn
Methane/Expired gas [Volume Fraction] in Exhaled gas --3 hours post dose lactose PO
methane/expired gas [volume fraction] in exhaled gas --3 hours post dose lactose po