Yuguero O, Ramon Marsal J, Esquerda M, Vivanco L, Soler-Gonzalez J. Association between low empathy and high burnout among primary care physicians and nurses in Lleida, Spain. Eur J Gen Pract. 2017 Dec;23(1):4-10. doi: 10.1080/13814788.2016.1233173
Fondell E, Lagerros YT, Sundberg CJ, Lekander M, Balter O, Rothman KJ, Balter K. Physical activity, stress, and self-reported upper respiratory tract infection. Med Sci Sports Exerc. 2011 Feb 1;43(2):272-9.
Petit A, Castillo M, Gaspa A, Colomer D, Garcia de Albeniz X, Moreno C, Camos M, Mellado B, Mallofre C. Expression and mutational analyses of KIT and PDGFR-alpha in sarcomatoid renal cell carcinoma. Histopathology. 2009 Aug;55(2):230-2. doi: 10.1111/j.1365-2559.2009.03342.x