1727-897X 1727-897X S1727-897X2019000600761 Cuba 00 12 2019 00 12 2019 17 6 761 763 1 Effective Health Care Program 2017 17 18 18 8 2 2018 3 2019 380 1 1 23-32 4 2019 380 1 1 11-22 5 2018 7 7 8