Singh, A., P. Dalal, J. Singh, and P. Tripathi. “Type Spinal Muscular Atrophy in Rare Association With Congenital Contracture and Generalized Osteopenia: A Case Report”. Iranian Journal of Child Neurology, vol. 12, no. 1, Jan. 2018, pp. 105-8, doi:10.22037/ijcn.v12i1.12023.