Bintang Bayu Aryandi et al. 2026. Agreement Between Knee Radiography and Knee Ultrasonography in the Detection of Osteophyte (Spur) Formation and Joint Space Narrowing in Knee Osteoarthritis: A Cross-Sectional Study at Gatot Soebroto Central Army Hospital, Indonesia, August-September 2026. The International Journal of Medical Science and Health Research. 49, 1 (Sep. 2026), 1377–1399. DOI:https://doi.org/10.70070/81bn3k79.