Alvarez-Martin C, Ribera A, Marsal JR, Ariza-Sole A, Perez-Hoyos S, Oristrell G, Soriano-Colome T, Romaguera R, Pijoan JI, Lidon RM, Mauri J, Ferreira-Gonzalez I. Dynamics of emergency cardiovascular hospital admissions and in-hospital mortality during the COVID-19 pandemic: time series analysis and impact of socioeconomic factors. Front. Cardiovasc. Med. 2022 Apr 26. doi: 10.3389/fcvm.2022.827212
Regier DA, Watson V, Burnett H, Ungar WJ. Task complexity and response certainty in discrete choice experiments: an application to drug treatments for juvenile idiopathic arthritis. J Behav Exp Econ. 2014 Jun;50:40-9. doi: 10.1016/j.socec.2014.02.009
Reed (Earnshaw) SR, Reed JH, Stuhldreher TJ. Transaction costs, taxes, and portfolio revision. J Contemp Bus Issue. 1997;5:40-8.