S. Moolasarn, S. Watcharathanakit, N. Buasi, M. Sutthipornchai, N. Muensook, and T. Kongsuk, “Prescribing of Original Brand Name Drugs and Opinion of Physicians on Strategies to Reduce its Prescription”, J Health Sci Thai, vol. 22, no. 2, pp. 307–317, Dec. 2017.