A Framework for the Production and Analysis of Hospital Quality Indicators. - Alberto Freitas; Tiago Silva-Costa; Bernardo Marques; Juliano Gaspar; Jorge Gomes; Fernando Lopes 003; Isabel Lema (ITBAM, 2011)

Comorbidity Coding Trends in Hospital Administrative Databases. - Alberto Freitas; Isabel Lema; Altamiro da Costa Pereira (WorldCIST (2), 2016)

Problems and Barriers in the Transition to ICD-10-CM/PCS: A Qualitative Study of Medical Coders' Perceptions. - Vera Alonso; João Vasco Santos; Marta Pinto; Joana Ferreira 002; Isabel Lema; Fernando Lopes 003; Alberto Freitas (WorldCIST (3), 2019)

Problems and Barriers during the Process of Clinical Coding: a Focus Group Study of Coders' Perceptions. - Vera Alonso; João Vasco Santos; Marta Pinto; Joana Ferreira 002; Isabel Lema; Fernando Lopes 003; Alberto Freitas (J. Medical Syst., 2020)