title: Chronic giardiasis with vitamin B12 and folate deficiency presenting with psychiatric symptoms.
authors.affiliation: British Military Hospital, Hong Kong.
authors.forename: B J
authors.initials: BJ
authors.lastname: Heap
authors.forename: J D
authors.initials: JD
authors.lastname: Mumford
mesh_terms: D000328:Adult; D000818:Animals; D002908:Chronic Disease; D005260:Female; D005494:Folic Acid Deficiency / Q000150:complications / Q000209:etiology*; D005873:Giardiasis / Q000150:complications*; D006801:Humans; D011618:Psychotic Disorders / Q000209:etiology*; D014806:Vitamin B 12 Deficiency / Q000150:complications / Q000209:etiology*