Malik, S., Anantharamu, T., Salmani, M.F., Pradhan, S. and Mathur, A.G. 2018. An analysis of adherence to the World Health Organisation guidelines pertaining to drug promotional literature by pharmaceutical firms. International Journal of Basic & Clinical Pharmacology. 7, 12 (Nov. 2018), 2429–2432. DOI:https://doi.org/10.18203/2319-2003.ijbcp20184860.