MarÃa E. Pineda Biotechnology Unit of the Pharmacy Faculty, Universidad Central de Venezuela, Caracas Venezuela, República Bolivariana de
Alba M. Vargas Biotechnology Unit of the Pharmacy Faculty, Universidad Central de Venezuela, Caracas Venezuela, República Bolivariana de
Alexis Rodriguez-Acosta Immunochemistry and Ultrastructural Laboratory of the Anatomical Institute, Universidad Central de Venezuela, Caracas Venezuela, República Bolivariana de