Pereira Pinto, Mário, Sónia Martins, Edgar Mesquita, and Lia Fernandes. 2021. “European Portuguese Version of the Clinical Frailty Scale: Translation, Cultural Adaptation and Validation Study”. Acta Médica Portuguesa 34 (11). Lisbon, Portugal:749-60. https://doi.org/10.20344/amp.14543.