Bakshi, Anjali, et al. “Simultaneous Estimation of Gabapentin and Methylcobalamin in Bulk and Pharmaceutical Dosage Form by RP-HPLC”. Journal of Drug Delivery and Therapeutics, vol. 9, no. 1, Jan. 2019, pp. 170-4, https://doi.org/10.22270/jddt.v9i1.2204.