Bansal, D; Purohit, VK (January 2013). "Accessibility and use of essential medicines in health care: Current progress and challenges in India.". Journal of pharmacology & pharmacotherapeutics4 (1): 13–8. PMID23662019. doi:10.4103/0976-500X.107642.
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Bansal, D; Purohit, VK (January 2013). "Accessibility and use of essential medicines in health care: Current progress and challenges in India.". Journal of pharmacology & pharmacotherapeutics4 (1): 13–8. PMID23662019. doi:10.4103/0976-500X.107642.