Mason, ShayneVan Reenen, MariRossouw, Theresa M.Lindeque, ZanderLouw, Roan2023-10-172023-10-172023-03Mason, S., Van Reenen, M., Rossouw, T. et al. 2023, 'Phenylalanine metabolism and tetrahydrobiopterin bio-availability in COVID-19 and HIV'. Heliyon, vol. 9, no. 4, art. e15010, doi : 10.1016/j.heliyon.2023.e15010.2405-8440 (online)10.1016/j.heliyon.2023.e15010http://hdl.handle.net/2263/92910Supporting information file S1: Study ModelsSupporting information file S2: Phenylalanine metabolism and tetrahydrobiopterin bio-availability in COVID-19 and HIV dataDATA AVAILABILITY STATEMENT: Data will be made available on request.Please read abstract in article.en© 2023 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.PhenylalanineTetrahydrobiopterin (BH4)MetabolismSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2)Coronavirus disease 2019 (COVID-19)COVID-19 pandemicHuman immunodeficiency virus (HIV)SDG-03: Good health and well-beingArticle