Rebordosa C, Plana E, Rubino A, Aguado J, Lei A, Daoud S, Saigi-Morgui N, Perez-Gutthann S, Rivero-Ferrer E. A cohort study to evaluate the risk of hospitalisation for congestive heart failure associated with the use of aclidinium and other chronic obstructive pulmonary disease medications in the UK Clinical Practice Research Datalink. Int J Chron Obstruct Pulmon Dis. 2021 May 31;16:1461-75. doi: 10.2147/COPD.S301624
Gracia Baena JM, Calaf Vall I, Zielonka M, Marsal Mora JR, Godoy P, Worner Diz F. Risk factors and comorbidities associated with severe aortic stenosis: a case-control study. Rev Clin Esp. 2021 May 23;221(5):249-57. doi: 10.1016/j.rce.2020.01.010.