Magali Angelica da, et al. “Socioeconomic Profile and Degree of Satisfaction of Patients Attending Gastroenterology Outpatient Clinics of a University Institution”. Revista Da Escola De Enfermagem Da USP, vol. 53, July 2019, p. e03436, https://doi.org/10.1590/s1980-220x2018006303436 .