Efficacy of Hot Herbal Compression (Chingdug) compared to Diclofenac gel in the management nonspecific low back pain in Bhutan: a randomized non-inferiority trial. J. Tradit. Med. Sowa Rigpa [Internet]. 2024 May 16 [cited 2026 Jul. 18];1(1):4-12. Available from: https://www.jtmsr.com.bt/index.php/jtmsr/article/view/84