| نویسندگان مقاله |
abdolmajid ghasemian - department of bacteriology, faculty of medical sciences, tarbiat modares university, tehran, ir iran
nafiseh taati - department of microbiology, alborz university of medical sciences, karaj, ir iran
seyed khalil shokuhi - department of microbiology, islamic azad university, tehran, ir iran
abdolrahim kazemi varddanjani - shahrekord university of medical sciences, shahrekord, ir iran; shahrekord university of medical sciences, shahrekord, ir iran. tel 98-394514760
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