Predominance of lineage l among Trypanosoma cruzi isolates from Venezuelan patients with different clinical profiles of acute Chagas disease - Añez, Nestor; Crisante, Gladys; Silva, Flavia Maia da; Rojas, Agustina; Carrasco, Hugo; Umezawa, Eufrosina S.; Stolf, Anna Maria S.; Ramírez, Jose Luis; Teixeira, Marta Maria Geraldes (Tropical Medicine and International Health, 2004)