Development of a proxy-reported scale to assess motor function in infants and young children with early-onset neuromuscular disorders

1. Capella-Peris, C.
2. Emile-Backer, M.
3. Shelton, M.O.
4. Chrismer, I.C.
5. Cosgrove, M.M.
6. Bendixen, R.M.
7. Meilleur, K.G.