The phenotypic spectrum of organic acidurias and urea cycle disorders. Part 1: the initial presentation. - Kölker S; Garcia-Cazorla A; Valayannopoulos V; Lund AM; Burlina AB; Sykut-Cegielska J; Wijburg FA; Teles EL; Zeman J; Dionisi-Vici C; Barić I; Karall D; et al. (Journal of inherited metabolic disease, 2015)