title: 75-year-old man with fever, weight loss, and diarrhea.
authors.affiliation: Mayo Graduate School of Medicine, Mayo Clinic Rochester, Minnesota 55905, USA.
authors.forename: A E
authors.initials: AE
authors.lastname: Denktas
authors.forename: P L
authors.initials: PL
authors.lastname: Elkin
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D003967:Diarrhea / Q000209:etiology* / Q000469:parasitology; D005334:Fever / Q000209:etiology* / Q000469:parasitology; D005873:Giardiasis / Q000150:complications / Q000175:diagnosis*; D006689:Hodgkin Disease / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D008297:Male; D015431:Weight Loss