Sarduy-Lugo, Mirelys, et al. “Parental Perception of Hospitalized Children about Trust and Satisfaction in the National Immunization Program”. Killkana Salud Y Bienestar, vol. 4, no. 2, Aug. 2020, pp. 25-30, https://doi.org/10.26871/killcana_salud.v4i2.642.