Diagnosis of cystic echinococcosis, central peruvian highlands

Cesar M. Gavidia, Armando E. Gonzalez, Wenbao Zhang, Donald P. McManus, Luis Lopera, Berenice Ninaquispe, Hector H. Garcia, Silvia Rodríguez, Manuela Verastegui, Carmen Calderon, William K.Y. Pan, Robert H. Gilman