MEDICC Review reserves copyright on all articles included herein.  Permission is granted for their reproduction in part or in full, only if the author and source are fully credited, and a copy of the manuscript is sent to: 

MEDICC Review,
328 Flatbush Ave., Box 406,
Brooklyn, NY 11238.

We are grateful to the Editora de Ciencias Médicas, Havana, for authorization to translate and publish articles which originally appeared in cuban medical journals.

  Associate Editor: Michele Frank, M.D.

Editorial Advisors: Radamés Borroto, M.D.
                                Jorge Hadad, M.D.
                                C.William Keck, M.D., M.P.H.
                                Jehová Oramas, M.D.
                                Patricia Rodney, Ph.D., M.P.H.
                                Alcides Lorenzo, M.D.
                                José A. de la Osa
                                Tomás Reinoso, M.D.
                                Juan J. Ceballos, M.D.

         Translations: Julio Barrios and Graciella Tabío

                  Design: Litium 258

           Circulation: Carmen García Fuentes

Michele Frank, MD - Associate Editor