Validation of the Expanded Hammersmith Functional Motor Scale in spinal muscular atrophy type II and III.
Glanzman AM, O'Hagen JM, McDermott MP, Martens WB, Flickinger J, Riley S, Quigley J, Montes J, Dunaway S, Deng L, Chung WK, Tawil R, Darras BT, De Vivo DC, Kaufmann P, Finkel RS. Validation of the Expanded Hammersmith Functional Motor Scale in spinal muscular atrophy type II and III. J Child Neurol. 2011 Dec; 26(12):1499-507.