PT - JOURNAL ARTICLE AU - Basil T. Darras AU - Darryl C. De Vivo TI - Precious SMA natural history data AID - 10.1212/WNL.0000000000006026 DP - 2018 Aug 21 TA - Neurology PG - 337--339 VI - 91 IP - 8 4099 - http://n.neurology.org/content/91/8/337.short 4100 - http://n.neurology.org/content/91/8/337.full SO - Neurology2018 Aug 21; 91