1665-1146 1665-1146 S1665-11462021000200110 10.24875/bmhim.20000355 Mexico Mexico Mexico Mexico Mexico 00 04 2021 00 04 2021 78 2 110 115

1 Johns Hopkins University and Medicine 2020 2 2020 83 217-20 3 2020 11 241-3 4 2020 14 229-31 5 2020 14 365-73 6 Secretaría de Salud 2020 7 2020 75 989-92 8 2020 20 270-3 9 2020 105 183-7 10 2020 201 1337-44 11 2020 5 e475-83