| نویسندگان مقاله |
mohammad reza arabestani - department of microbiology, faculty of medicine, hamadan university of medical sciences, hamadan, ir iran; brucellosis research center, hamadan university of medical sciences, hamadan, ir iran
manoochehr karami - department of biostatistics and epidemiology, school of public health, hamadan university of medical sciences, hamadan, ir iran
mohammad yousef alikhani - department of microbiology, faculty of medicine, hamadan university of medical sciences, hamadan, ir iran; brucellosis research center, hamadan university of medical sciences, hamadan, ir iran; brucellosis research center, hamadan university of medical sciences, hamadan, ir iran. tel 98-8118380755, fax 98-8118380130
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