Science and technology in Argentina Argentina have enjoyed an international respect since the turn of the 1900s, when Dr. Luis Agote devised the first safe and effective means of blood transfusion as well as René Favaloro, who was a pioneer in the improvement of the bypass surgery . Argentina is the Latin American country with the most Nobel Prize laureates; and has three Nobel Prize winners in the sciences: Bernardo Houssay in Physiology or Medicine in 1947, Luis Federico Leloir in Chemistry in 1970, and César Milstein in Physiology or Medicine in 1984. Dr. Domingo Liotta created the first artificial heart in 1969, revolutionizing the
Human trafficking in Argentina the country in "Tier 2" in 2017. There are many laws that touch on the theme of trafficking; historically the Ley Palacios of 1913 was the first law in the protection to protect victims of sexual exploitation and slavery, as well as to punish those responsible. It was the first legislation in the entire American continent and signified a great advance in human rights in the country. The International Day Against Human Trafficking commemorates the enactment of this law. Argentina, as a signatory to the United Nations Protocol to Prevent, Suppress and Punish Trafficking in Persons, especially Women and Children,