Prinja, S., Balasubramanian, D., Jeet, G., Verma, R., Kumar, D., Bahuguna, P., … Kumar, R. (2017). Cost of delivering secondary-level health care services through public sector district hospitals in India. The Indian Journal of Medical Research, 146(3), 354-361. https://doi.org/10.4103/ijmr.IJMR_902_15

, Balasubramanian, D., Gopalakrishnan, S., Saxena, S., & Shanmugasundaram, N. (2012). Topical Mitomycin C in functional endoscopic sinus surgery. European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated With the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 269(7), 1791-4. https://doi.org/10.1007/s00405-011-1870-x