Bullying of Medical Students in Pakistan: A Cross-Sectional Questionnaire Survey Ahmer, Syed ; Yousafzai, Abdul Wahab ; Bhutto, Naila ; Alam, Sumira ; Sarangzai, Amanullah Khan ; Iqbal, Arshad Abstract Publication: PLoS ONE Pub Date: December 2008 DOI: 10.1371/journal.pone.0003889 Bibcode: 2008PLoSO...3.3889A