Asociacion Argentina de Neurocirugía. (Argentine Association of Neurosurgery). (Attended Annual Congresses (1967-1983)

Asociacion Argentina para el Estudio del Dolor. (Argentine Association for the Study of Pain). Attendance to annual congresses from Buenos Aires -Argentina- (from 1997 to date)

Asociacion Argentina para el Estudio del Dolor. (Argentine Association for the Study of Pain). Buenos Aires -Argentina- Several papers published from 1997 to date.