Argentina recipient, discovered the role of pituitary hormones in regulating glucose in animals, and shared the Nobel Prize in Physiology or Medicine in 1947. Luis Leloir discovered how organisms store energy converting glucose into glycogen and the compounds which are fundamental in metabolizing carbohydrates, receiving the Nobel Prize in Chemistry in 1970. César Milstein did extensive research in antibodies, sharing the Nobel Prize in Physiology or Medicine in 1984. Argentine research has led to treatments for heart diseases and several forms of cancer. Domingo Liotta designed and developed the first artificial heart that was successfully implanted in a human being in
Human rights in Argentina "Clarin" in 2009, Fernandez Meijide, who formed part of the 1984 truth commission, claimed that the "documented" number of Argentines killed or disappeared was closer to 9,000. The "Asemblea por los Derechos Humanos" (APDH or Permanent Assembly for Human Rights) estimated the number of disappeared as 12,261, which included "definitive disappearances" and PEN detainee survivors of the clandestine detention centres spread throughout Argentina. The total figure of official prisoners was 8,625 and of these PEN detainees 157 were killed after being released from detention. Between 1969 and 1979 left-wing guerrillas accounted for 3,249 kidnappings and murders. CONADEP also recorded 458