1.
Sultana S, Khosru K. Practice of using gifts as promotional materials for marketing of pharmaceutical products in Bangladesh: A survey conducted on general physicians and representatives from pharmaceutical companies. SJPS [Internet]. 21Apr.2012 [cited 24Jan.2021];4(2):13-8. Available from: https://www.banglajol.info/index.php/SJPS/article/view/10434