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Comparing the analgesic effect of heat patch containing iron chip and ibuprofen for primary dysmenorrhea: a randomized controlled trial

Shahindokht Navvabi Rigi, Fatihe kermansaravi*, Ali Navidian, Leila Safabakhsh, Ameneh Safarzadeh, Somaye Khazaian, Shahla Shafie and Tahmineh Salehian

BMC Women's Health 2012, 12:25  doi:10.1186/1472-6874-12-25