Fig. 4From: Clinical and molecular outcomes from the 5-Year natural history study of SSADH Deficiency, a model metabolic neurodevelopmental disorderA schematic timeline of the median onset times of the principal clinical events in SSADHD alongside the decline in GABA and GHB. GABA- γ-aminobutyrate; GHB- γ-hydroxybutyrateBack to article page