INTERNATIONAL SOCIETIES

A)American Society of Clinical Oncology. (ASCO) April. 1997.


B)European Society of Medical Oncology. (ESMO) May. 2000.


C)Chemotherapy Foundation. (CF) Dic. 1999.

D)Sociedad Española de Oncológia Medica (SEOM). Mayo 2003

e) Asociacion de Hematologia Oncologia Clinica de Guatemala