1993-8012 1993-8012 S1993-80122020000300342 Republic of Congo 00 09 2020 00 09 2020 36 3 342 350

1960 1997 16 83-95 WHO 2004 1 3 WHO 2017 4th 1989 250 267-73 1952 1966 1995 6 1 1 109-70 1961 2018 7 3 3 40-54 1960 1952 1953 1999 12 2 2 363-87