J. Ospina

A randomized blinded clinical trial of two antivenoms, prepared by caprylic acid or ammonium sulphate fractionation of IgG, in Bothrops and Porthidium snake bites in Colombia: correlation between safety and biochemical characteristics of antivenoms.

J. Gutiérrez, V. Núñez, L. Arenas, 1999, Toxicon : official journal of the International Society on Toxinology.

Olanzapine as Alternative Therapy for Patients With Haloperidol-Induced Extrapyramidal Symptoms: Results of a Multicenter, Collaborative Trial in Latin America

G. Mazzotti, M. Tohen, W. Gattaz, 2001, Journal of clinical psychopharmacology.

Fluoxetine versus amitriptyline in the treatment of major depression with associated anxiety (anxious depression): a double-blind comparison.

G. Mazzotti, R. Tamura, A. Ontiveros, 1999, International clinical psychopharmacology.