Dr. Ricardo Ferreira is a medical doctor and the scientific director of EC-t Publishers of Buenos Aires Argentina. After many years as a heart surgeon, he began to widen his intere...lihat lebih banyakDr. Ricardo Ferreira is a medical doctor and the scientific director of EC-t Publishers of Buenos Aires Argentina. After many years as a heart surgeon, he began to widen his interests into other areas, mainly history and art. He has published: The heart: the pulse of the history, History of Diabetes and its Investigators, and The Soul of Tango. He also writes most of the cultural and scientific articles of this Publishing House.lihat lebih sedikit