Hemoglobin.gastrointestinal^2nd specimen:PrThr:Pt:Stool:Ord
hemoglobin.gastrointestinal^2nd specimen:prthr:pt:stool:ord
Hemoglobin.gastrointestinal [Presence] in Stool --2nd specimen
hemoglobin.gastrointestinal [presence] in stool --2nd specimen