S Santillán-Alarcón

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Wild vectors and reservoir hosts of Trypanosoma cruzi were surveyed from February 1993 to June 1994 in Ticumán (18 degrees 46'N, 99 degrees 07'W), Mexico (Deciduous Tropical Forest). Direct faeces examination showed that 87% of Triatoma pallidipennis hosted the parasite; T. cruzi forms were present in cultures inoculated with faeces of fifty 67% triatomine(More)
1. Dopamine, norepinephrine, serotonin and 5-hydroxyindol-acetic acid levels were studied in discrete brain areas of four wild rodent species and compared with those of laboratory mouse. 2. Monoamine levels showed significant differences in all the species studied. 3. Although it is not possible to exclude the changes induced by the captivity's stress, the(More)
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