Non familial juvenile distal spinal muscular atrophy of upper extremity
J B Peiris, K N Seneviratne, H R Wickremasinghe, S B Gunatilake, R Gamage Miscellaneous Journal of Neurology, Neurosurgery and Psychiatry 52:314-319 1989https://dx.doi.org/10.1136%2Fjnnp.52.3.314