A retrospective study on disease management in children and adolescents with phenylketonuria during the Covid-19 pandemic lockdown in Austria. - Herle, Marion; Brunner-Krainz, Michaela; Karall, Daniela; Goeschl, Bernadette; Möslinger, Dorothea; Zobel, Joachim; Plecko, Barbara; Scholl-Bürgi, Sabine; Spenger, Johannes; Wortmann, Saskia B.; Huemer, Martina (Orphanet Journal of Rare Diseases, 2021)