Hemoglobin.gastrointestinal^2nd specimen:PrThr:Pt:Gast fld:Ord
hemoglobin.gastrointestinal^2nd specimen:prthr:pt:gast fld:ord
Hemoglobin.gastrointestinal [Presence] in Gastric fluid --2nd specimen
hemoglobin.gastrointestinal [presence] in gastric fluid --2nd specimen