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 by the Argentine 601st Intelligence Battalion in mid-July 1978, which started counting victims in 1975, gave the figure of 22,000 persons. This estimate was first published by John Dinges in 2004. Estimates by human rights organizations were up to 30,000. The Montoneros admitted losing 5,000 guerrillas killed, and the ERP admitted the loss of another 5,000 of their own guerrillas killed. By comparison, Argentine security forces cite 775 deaths of their own. In contrast, there were 13,500 victims of left-wing terrorism in Argentina. There is no agreement on the actual number of "detenidos-desaparecidos". In an interview with Buenos Aires daily