Hemoglobin.gastrointestinal^1st specimen:PrThr:Pt:Stool:Ord
hemoglobin.gastrointestinal^1st specimen:prthr:pt:stool:ord
Hemoglobin.gastrointestinal [Presence] in Stool --1st specimen
hemoglobin.gastrointestinal [presence] in stool --1st specimen