sentences:  On December 14, 1985 the Dr. Alberto Villegas performed the first heart transplant in Latin America to Antonio Yepes.On May 20, 1994 Dr. Manuel Elkin Patarroyo received the Prince of Asturias Awards by his technical and scientific research in the development of synthetic malaria vaccine.In 2002 Colombia had 58,761 physicians, 23,950 nurses, and 33,951 dentists; these numbers equated to 1.35 physicians, 0.55 nurses, and 0.78 dentists per 1,000 people, respectively.