0874-0283 0874-0283 S0874-02832021000200013 10.12707/rv20136 Portugal Portugal Portugal Portugal 30 04 2021 30 04 2021 serV 6

2016 11 6 6 1979 9 1 1 139-45 2013 68 138 138 23-33 2009 6 2017 17 17 102 2011 3 2008 7 2 2 148-51 2019 75 11 11 2719-26 2018 7 2016 29 1 1 24-30 2011 20 1 1 15-20 2014 2 2011 2003 5 1 1 37-45 2015 16 3 3 278-86 2016 18 18 342-9 2019 54 3 3 425-33 2007 5 2017 4 2 2 World Health Organization 2007