S. Baskar, S. Pattnaik, M. Khalid, S. J. Leo, G. A. Sidhu, and M. Gawad, “Comparative analysis of landmark-guided intra-articular knee injections in outpatient clinics versus ultrasound-guided injections: a quality improvement study ”, Int J Res Orthop, vol. 12, no. 1, pp. 18–23, Dec. 2025.