2312-3893

2312-3893

S2312-38932019000100124

10.18004/rvspmi/2312-3893/2019.06(01)124-127

Ecuador

Ecuador

01 03 2019

01 03 2019

6 1 124 127

1

2009 15 39 39

4980-3

2

2012 11

222-30

3

2014 14

4

2009 24 1 1

41-3

5

2016 2016

6707235

6

2008 4 7 7

473-5