Giardia lamblia Ag^2nd specimen:PrThr:Pt:Stool:Ord:IA
giardia lamblia ag^2nd specimen:prthr:pt:stool:ord:ia
Giardia lamblia Ag [Presence] in Stool by Immunoassay --2nd specimen
giardia lamblia ag [presence] in stool by immunoassay --2nd specimen