Keren MiddelkoopLisa MicklesfieldJustine StewartNeil Walker WalkerDavid A JolliffeAmy Mendhamet al et al2024-12-022024-12-02WOShttps://hdl.handle.net/10539/43005Influence of vitamin D supplementation on growth body composition pubertal development and spirometry in South African schoolchildren a randomised controlled trial ViDiKidsJournal Article