Perceived effectiveness of learning methods among preclinical medical students - role of personality and changes over time. - Arain, Shoukat Ali; Alhadid, Daeya Ahmad; Rasheed, Shahzad; Alrefaai, Maram Mansour; Alsibai, Tarek M. Ahyaf; Meo, Sultan Ayoub (Pakistan Journal of Medical Sciences, 2021)