Investigation of Giardia intestinalis Genotypes among the Food Handlers of Qazvin, Iran - SHAHNAZI, Mojtaba; NAGHIZADEH, Farzaneh; HAJIALILO, Elham; ALIZADEH, Safar Ali; SARAEI, Mehrzad; ALIPOUR, Mahmood (Iranian Journal of Parasitology, 2019)