Bern, C.; Montgomery, SP; BL, Herwaldt (новембар 2007). „Evaluation and treatment of chagas disease in the United States: a systematic review”. JAMA. 298 (18): 2171—81. PMID18000201. doi:10.1001/jama.298.18.2171.
Bern, C.; Montgomery, SP; BL, Herwaldt (новембар 2007). „Evaluation and treatment of chagas disease in the United States: a systematic review”. JAMA. 298 (18): 2171—81. PMID18000201. doi:10.1001/jama.298.18.2171.