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Control group

MM Maryam Moghaddassi
MT Mansoureh Togha
FS Farhad Shahram
HH Hamed Hanif
SD Sahar Dadkhah
SJ Soodeh Razeghi Jahromi
MM Mohammad Mozafari
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Subjects in the control group were selected from patients, without BD, who were based in urology and orthopedic clinics in another hospital. The control group included age- and sex-matched subjects for individuals in the case group. Each person filled the aforementioned questionnaire except for the part referring to the duration and onset of BD. Individuals that had any head and neck injury or any other internal disease that could be the reason of their headaches were excluded.

Copyright and License information: The Author(s) ©2016
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