Bern C; Montgomery SP; Herwaldt BL (November 2007). „Evaluation and treatment of chagas disease in the United States: a systematic review”. JAMA298 (18): 2171–81. DOI:10.1001/jama.298.18.2171. PMID18000201.
Bern C; Montgomery SP; Herwaldt BL (November 2007). „Evaluation and treatment of chagas disease in the United States: a systematic review”. JAMA298 (18): 2171–81. DOI:10.1001/jama.298.18.2171. PMID18000201.