1. COVID Data Tracker [Internet],2023
2. Effectiveness estimates of three COVID-19 vaccines based on observational data from Puerto Rico;Robles-Fontán;Lancet Reg Heal Am,2022
3. Migration is the driving force of rapid aging in Puerto Rico: a research brief;Matos-Moreno;Popul Res Policy Rev,2022
4. Puerto Rico [internet],2023
5. U.S. And World Population Clock [Internet],2024