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Knezevic Pogancev Marija
Migraine triggers are exclusive occurrences inducing headache. Certain triggers do not induce headaches in everyone. Even in a certain migraine sufferer, a specific trigger may not cause head pain for each headache. This research was carried out in North Serbian Province, Vojvodina with total population of 2,031,992. from 1988 to 2012. Method: Participants were selected by multi-study random sampling procedure. The inclusion criteria were: age 10–18, attending school, and informed consent signed by parents and adolescents. The exclusion criterion was a prior diagnosis of a disease that has headache as a symptom.