1
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4
Published in 1999
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5
Published in 2007
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8
by Revelo, Jorge; Viteri D., Pablo; Vásquez C., Wilson; Valverde, Franklin; León F., Juan; Gallegos, Patricio
Published in 2010
Repository
9
10
Published in 2016
Repository
11
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13
Published in 1996
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14
Published in 2004
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18
by Brito Grandes, Beatriz; Espín, Susana; Vásquez C., Wilson; Viteri D., Pablo; López Jaramillo, Alda Priscila; Jara Córdova, Johanna Ximena
Published in 2012
Repository
19
20
by Villares, Mercy; Martínez, Aníbal; Viteri D., Pablo; Viera, William; Jácome, Rosendo; Ayala, Germán; Noboa, Michelle
Published in 2016
Repository