M. Nascimento, C., Faustino, I., Brito, H. and Afonso, S. 2026. p.Gly143Glu Variant in CES1 Gene Associated with an Adverse Response to Methylphenidate in a Child: Case Report. Acta Médica Portuguesa. 39, 9 (Sep. 2026), 581–582. DOI:https://doi.org/10.20344/amp.24657.