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. 2017 Feb 21;12(2):e0172346. doi: 10.1371/journal.pone.0172346

Fig 1. Revised Hammersmith Scale for Spinal Muscular Atrophy: Process of development.

Fig 1

Iterative process of RHS development—expert panel, SMA outcome measure review, draft instrument, scale pilot and subsequent modification summarised for draft version 1, 2 and final version of the RHS.