0187-5337 0187-5337 S0187-53372021000300089 10.24875/per.21000006 México México 00 12 2021 00 12 2021 35 3 89 98

1 Sociedad Argentina de Pediatría 2010 108 2 2 47-70 2 2013 98 12 12 1826-35 3 2018 657-64 4 2020 21 2 2 52-106 5 2017 35 2082-94 6 2019 36 2 2 145-51 7 2018 8 2013 9 Clinical and Laboratory Standards Institute 2016 1 2 2 10 2016 30 4 4 172-9 11 2005 36 12