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By: San Martin, Cristina - Ramirez, Carlos - San Martín, José - Villaseñor Castro, RodrigoType: ArticleIn: GayanaVolume: 58Series:Issue:Date: 2001Page Range: 31--46Publication Info: [Concepción] Chile, Instituto Central de Biología, Universidad de Concepción, 1961-Subjects:
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By: Ramirez, Carlos - San Martin, Cristina - Keim, Maria LuisaType: ArticleIn: GayanaVolume: 54Series:Issue:Date: 1997Page Range: 19--30Publication Info: [Concepción] Chile, Instituto Central de Biología, Universidad de Concepción, 1961-Subjects: