Giardia lamblia Ag^2nd specimen:PrThr:Pt:Stool:Ord
giardia lamblia ag^2nd specimen:prthr:pt:stool:ord
Giardia lamblia Ag^2nd specimen:PrThr:Pt:Stool:Ord
giardia lamblia ag^2nd specimen:prthr:pt:stool:ord