Nazarinia, M., Jalli, R., Kamali Sarvestani, E., Farahangiz, S. and Ataollahi, M. (1) “Asymptomatic atlantoaxial subluxation in rheumatoid arthritis.”, Acta Medica Iranica, 52(6), pp. 462-466. Available at: http://acta.tums.ac.ir/index.php/acta/article/view/4778 (Accessed: 25January2020).