Yasmin, Ghazala, et al. “COMPARISON OF LOCAL METHYLCOBALAMINE INJECTION VERSUS LOCAL BUPIVACAINE INJECTION FOR THE TREATMENT OF ACUTE HERPETIC NEURALGIA”. Pakistan Armed Forces Medical Journal, vol. 71, no. 6, Jan. 2022, pp. 2228-31, doi:10.51253/pafmj.v71i6.6464.