0121-7488 0121-7488 S0121-74882020000200145 10.19053/01217488.v11.n2.2020.11142 Colombia Colombia Colombia 00 12 2020 00 12 2020 11 2 145 151

[1] 1993 93 1449-70 [2] 2019 10 2 2 [3] 2018 [4] 2016 100 553-63 [5] 2016 26 5 5 3-10 [6] 2003 32 8, 8, 716-7 [7] 2007 20 1 1 51-7 [8] 2018 116 543551 [9] 2017 170 743-55 [10] 2017 148 759-69 [11] 2016 514 214-23 [12] 2009 [13] 2016 19 38 38 147-51 [14] 2015 [15] 2016 [16] Hielscher Ultrasound Technology 2018 [17] 1992 [18] 2002 106 41 41 10680-92 [19] 1963 179-84 [20] 1998 9 1 1 199-210 [21] 1967 [22] 2001 377 3 3 135-45