Maleki, M., K. Imanian, Z. Safavi Bayat, and Y. Mehrabi. “Assessment of the Risk of Falls Related to Imbalance Among Patients With Multiple Sclerosis Referred to the MS Society of Tehran 2014”. Advances in Nursing & Midwifery, vol. 25, no. 90, Feb. 2016, pp. 1-8, https://journals.sbmu.ac.ir/en-jnm/article/view/11358.