title: A puzzling case of giardiasis.
abstract: A serious case of infection by Giardia lamblia was difficult to diagnose.
mesh_terms: D003937:Diagnosis, Differential; D003967:Diarrhea / Q000209:etiology*; D005260:Female; D005759:Gastroenteritis / Q000209:etiology; D005872:Giardia / Q000302:isolation & purification; D005873:Giardiasis / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged