0123-7799 0123-7799 S0123-77992021000100001 10.22430/22565337.1885 Colombia Colombia Colombia 00 04 2021 00 04 2021 24 50 1 3 [1] National Academy of Sciences National Academy of Engineering Institute of Medicine 2004 [2] 2006 1st ed. [3] 1976 [4] 2009 4th ed. [5] 2012 73 73 147-72 [6] 2011 [7] 2017 2nd ed.