2007-4085 2007-4085 S2007-40852020000100101 10.48193/rmu.v80i1.614 México México México México México 00 02 2020 00 02 2020 80 1

1 WHO 2020 2 2020 76 71-6 3 2020 78 1 1 4 2015 5 2020 6 American College of Surgeons 2020