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Animals
1
Argentina
Bagre
1
Cryptogonimidae
1
Eigenmannia virescens
1
Female
1
Fresh Water
1
Gymnotiformes
1
Gymnotus carapo
Intestines
1
Male
Microscopy, Electron, Scanning
1
Ovary
1
Pisces
1
Rivers
1
Testis
1
Trematoda
1
Vermes
1
animal
1
article
1
classification
1
female
1
fresh water
1
histology
intestine
1
isolation and purification
1
male
1
ovary
1
parasitology
river
1
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1JOUR