Factors related to permanent disability employment on patients fewer than 62 years operated by open heart surgery. Issue 1 (December 2015) - MartinezSanz, R; Ávalos, R; Perdomo, L; Alonso, ME; Benitez, F; Jiménez, JJ; Montoto, J; Prada, PC; Garrido, P; de la Llana, R; Brouard, M; Iribarren, JL