Martins Mendes Simões, GCLoureiro, RCoimbra, J2022-03-142022-03-142021Gastroenterology . 2021 Nov;161(5):1381-1383http://hdl.handle.net/10400.17/4004engAbdominal Pain / etiology*Adrenal Cortex Hormones / therapeutic useAdultBiopsyCHULC GASAnti-Bacterial Agents / therapeutic useHumansMaleEndoscopy, Digestive SystemIgA Vasculitis / complicationsIgA Vasculitis / diagnosis*IgA Vasculitis / drug therapyRemission InductionTomography, X-Ray ComputedTreatment OutcomeUrinalysisAbdominal Pain As the First Manifestation of a Systemic Diseasejournal article10.1053/j.gastro.2021.07.005