1727-8120 1727-8120 S1727-81202020000300510 Cuba Cuba 00 12 2020 00 12 2020 20 3 510 533

WHO 2020 10 2 2 2020 10 2 2 199-208 MINSAP MINSAP 2020 2020 2020 20 1 1 1-4 2020 10 2 2 209-14 2020 138