Browsing Fakultet for medisin og helsevitenskap (MH) by Author "Effendi, J"
Now showing items 1-3 of 3
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Fraud in a population-based study of headache: prevention, detection and correction
Ahmed, B; Ahmad, A; Herekar, AA; Uquaili, UL; Effendi, J; Alvi, SZ; Herekar, AD; Steiner, Timothy J. (Journal article; Peer reviewed, 2014)Background: In medicine, research misconduct is historically associated with laboratory or pharmaceutical research, but the vulnerability of epidemiological surveys should be recognized. As these surveys underpin health ... -
Primary headache disorders in the adult general population of Pakistan - a cross sectional nationwide prevalence survey
Herekar, AA; Ahmad, A; Uqaili, UL; Ahmed, B; Effendi, J; Alvi, SZ; Shahab, MA; Javed, U; Herekar, AD; Khanani, Rafiq; Steiner, Timothy J. (Journal article; Peer reviewed, 2017)Background The large geographical gaps in our knowledge of the prevalence and burden of headache disorders include almost all of Eastern Mediterranean Region (EMR). We report a nationwide population-based study in Pakistan, ... -
The burden of headache disorders in Pakistan: methodology of a population-based nationwide study, and questionnaire validation
Herekar, AD; Herekar, AA; Ahmad, A; Uqaili, UL; Ahmed, B; Effendi, J; Alvi, SZ; Steiner, Timothy J. (Journal article; Peer reviewed, 2013)Background Large geographical gaps in our knowledge of the prevalence and burden of headache disorders include Pakistan, a country with major problems of poverty, illiteracy and security. We report implementation in this ...