Ensuring access to innovative therapies for children, adolescents, and young adults across Canada: The single patient study experience. - Revon-Riviere G; Young LC; Stephenson EA; Brodeur-Robb K; Cohen-Gogo S; Deyell R; Lacaze-Masmonteil T; Palmer A; Parekh RS; Whitlock JA; Morgenstern DA (Paediatrics & child health, 2023)