Culqui DR, Reátegui S, Trujillo OV, Zavaleta C, Cueva N, Suárez-Ognio LA. Chancho (alcanzo, hapiruzqa), andean cultural syndrome: frequency, characteristics and traditional treatments in Ayacucho, Perú. Rev Peru Med Exp Salud Publica. 2008;25(1). doi:10.17843/rpmesp.2008.251.1237