P. Adri Wibhawa, T. Yudo Utomo, A. Yudawijaya, and G. Natasha Levina Sihombing, “The Relationship Between Body Mass Index (BMI) and Pain Intensity in Patients With Lumbar Nucleus Pulposus Hernia (HNP) ”, IJHP, vol. 6, no. 2, pp. 62–67, Apr. 2026.