title: Giardia lamblia in patients undergoing upper GI endoscopy.
authors.forename: H
authors.initials: H
authors.lastname: Qureshi
authors.forename: S J
authors.initials: SJ
authors.lastname: Züberi
authors.forename: R
authors.initials: R
authors.lastname: Baqai
mesh_terms: D000818:Animals; D004386:Duodenum / Q000469:parasitology; D016145:Endoscopy, Digestive System; D016829:Giardia lamblia / Q000302:isolation & purification*; D005873:Giardiasis / Q000453:epidemiology*; D006801:Humans; D010154:Pakistan / Q000453:epidemiology