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This is to certify that your paper entitled «Study of knowledge of Ahvaz female teachers about Osteoporosis risk factor during 2011» was indexed with 1 pages, in the CIVILICA citation database, code COI:COPDCFI02_118, after evaluation and approval of the referees of the "The 2nd National Conference on Optimization of Production Distribution and Consumption Chain in the Food Industry held in Sari 2015.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above conference and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.