Adverse drug reaction reporting pharmacovigilance 2 Adverse drug reaction 1 Article 1 Drug regulatory authority of Pakistan 1 Healthcare professionals 1 Malaysia 1 Medicines safety 1 Pakistan 1 Pharmacovigilance 1 adverse drug reaction 1 clinical practice 1 completeness assessment 1 cross-sectional study 1 health personnel attitude 1 human 1 medical education 1 nurse attitude 1 pharmacist attitude 1 physician attitude 1 professional knowledge 1 quality assessment 1 questionnaire 1 tertiary care center 1