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2
Published in 2013
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5
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12
Published in 1999
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13
by Caviedes C., Mario; Yánez G., Carlos; Silva, Edison; Dobronsky, Jorge; Caicedo, Marlon; Zambrano Mendoza, José Luis; Heredia, Jorge
Published in 2002
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15
Published in 1997
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19
Published in 1995
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20
Published in 2003
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