In 1982 he cofounded a Shipibo organization called Aplicación de Medicina Tradicional (AMETRA), which promoted the study and application of the traditional medicine practiced by the peoples of the Ucayali River.
Guillermo del Toro | Guillermo Dávila | Guillermo Arriaga | Guillermo Vilas | Guillermo Kuitca | Guillermo Francella | Guillermo Estévez Boero | Rafael Arévalo Martínez | Guillermo Somoza | Guillermo Söhnlein | Guillermo José Garlatti | Guillermo Gómez-Peña | Guillermo Buitrago | San Guillermo Parish Church | José Guillermo Rodríguez | Gunnar Guillermo Nielsen | Guillermo Vecchio | Guillermo Thorndike | Guillermo Ruiz | Guillermo Rodríguez | Guillermo Rigondeaux | Guillermo Pérez Roldán | Guillermo Navarro | Guillermo Mota | Guillermo Meza | Guillermo Mendizábal | Guillermo Leaden | Guillermo Klein | Guillermo José Torres | Guillermo González Camarena |