Blood transfusion in cardiac surgery is a risk factor for increased hospital length of stay in adult patients - Galas, Filomena R. B. G.; Almeida, Juliano P.; Fukushima, Julia T.; Osawa, Eduardo A.; Nakamura, Rosana E.; Silva, Carolina M. P. D. C.; Almeida, Elisângela Pinto Marinho de; Auler Jr., Jose Otavio Costa; Vincent, Jean-Louis; Hajjar, Ludhmila A. (Journal of cardiothoracic surgery, 2013)