Molecular characterization of the Iranian isolates of Giardia lamblia: application of the glutamate dehydrogenase gene - Z Babaei,; H Oormazdi,; L Akhlaghi,; S Rezaie,; E Razmjou,; SK Soltani- Arabshahi,; AR Meamar,; R Hadighi, (Iranian Journal of Public Health)