Paecharoen, S., T. Lerdkiattiphum, and C. Wijittongruang. “The Feasibility of Vitamin B Complex Additive to Lidocaine for Myofascial Trigger Point Injection in Neck and Upper Back Muscles: A Pilot Trial”. ASEAN Journal of Rehabilitation Medicine, vol. 32, no. 3, Aug. 2022, pp. 110-5, https://he01.tci-thaijo.org/index.php/aseanjrm/article/view/254948.