Robert Jarvik animal in the lab for 10 days. Kolff assigned Jarvik to design a new heart that would overcome the problems of the Kwan-Gett heart, eventually culminating with the Jarvik-7 device. In 1982, the team carried out an artificial heart implant - the second ever, 13 years after Domingo Liotta and Denton Cooley's first in 1969. William DeVries first implanted the Jarvik-7 into retired dentist Barney Clark at the University of Utah on December 2, 1982. Clark required frequent visits to the hospital for the next 112 days, after which he died. During frequent press conferences to update the patient's condition,
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