41
42
43
Published in 2007
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44
45
46
47
48
49
by Monteros J., Cecilia; Cedeño Ledesma, Josué Santiago; Comina, Paúl; Villacrés, Elena; Rivadeneira Ruales, Jorge Esteban; Andrade, Héctor; Cuesta Subía, Hugo Xavier
Published in 2017
Repository
50
Published in 2016
Repository
51
52
53
Published in 2000
Repository
54
55
by Brito Grandes, Beatriz; Espín, Susana; Villacrés, Elena; Vaillant, Fabrice; Medina, Gioconda; Badillo, Fernanda
Published in 2008
Repository
56
57
Published in 2016
Repository
58
Published in 2008
Repository
59
60
Published in 1996
Repository