Pepsinogen I/Pepsinogen II:MRto:Pt:Ser:Qn
pepsinogen i/pepsinogen ii:mrto:pt:ser:qn
Pepsinogen I/Pepsinogen II:Mass Ratio:To identify measures at a point in time:Serum:Quantitative
pepsinogen i/pepsinogen ii:mass ratio:to identify measures at a point in time:serum:quantitative