G. Coppola-Fasick, L. González-Sepúlveda, Y. Arce-Ayala, C. Ramos-Romey, and S. Nazario, “Recommendations to Improve the Influenza Immunization Rates of Respiratory Healthcare Professionals: A Survey Conducted in Puerto Rico”, PRHSJ, vol. 42, no. 3, pp. 207–211, Sep. 2023.