title: Rapid decline to normal levels of extraordinarily elevated CA 19-9 after Giardiasis.
authors.forename: Bilal
authors.initials: B
authors.lastname: Ergül
authors.forename: Zeynal
authors.initials: Z
authors.lastname: Doğan
authors.forename: Murat
authors.initials: M
authors.lastname: Sarikaya
authors.forename: Levent
authors.initials: L
authors.lastname: Filik
mesh_terms: D000328:Adult; D000890:Anti-Infective Agents / Q000627:therapeutic use; D018395:CA-19-9 Antigen / Q000097:blood*; D005260:Female; D005873:Giardiasis / Q000097:blood* / Q000188:drug therapy; D006801:Humans; D008795:Metronidazole / Q000627:therapeutic use
chemical_list: D000890:Anti-Infective Agents; D018395:CA-19-9 Antigen; D008795:Metronidazole