| http://www.w3.org/ns/prov#value | - Por: CLAUDIO CARPIO; H???CTOR SILVA; LINDA PACHECO-LECH???N; ELIZABETH CANTORAN; ROSALINDA ARROYO; C???SAR CANALES; GERM???N MORALES; VIRGINIA PACHECO. To evaluate the effects of different types of consequences (positive and negative) for helping and not helping, was used a preparation in which each ...
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