Zorrilla, C. D. (2024) “The Use of Therapy Dogs in the Pediatric COVID-19 Vaccination at the University of Puerto Rico Medical Sciences Campus”, Puerto Rico Health Sciences Journal, 43(1), pp. 3–8. Available at: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/3118 (Accessed: 1 November 2025).