Current practice and usual care of major cervical disorders in Korea: A cross-sectional study of Korean Health Insurance Review and Assessment Service National Patient Sample Data
Association between temporomandibular disorders, chronic diseases, and ophthalmologic and otolaryngologic disorders in Korean adults: a cross-sectional study
Analysis of medical service use of knee osteoarthritis and knee meniscal and ligament injuries in Korea: a cross-sectional study of national patient sample data