Prevalence, diagnosis, and manifestations of brucellosis: A systematic review and meta-analysis oleh Saeed Khoshnood, Saeed Khoshnood, Reza Pakzad, Reza Pakzad, Maryam Koupaei, Maryam Shirani, Almas Araghi, Golnaz Mokhtari Irani, Melika Moradi, Iraj Pakzad, Iraj Pakzad, Nourkhoda Sadeghifard, Mohsen Heidary, Mohsen Heidary