Orejudo Hernandez, Santos, María Xesús Frojan Parga, and Carmen Malo Aznar. 2007. “Illness Behavior: Prediction by Symptoms, the Grossarth-Maticek and Eysenck Personality Types, Neuroticism, Life Events, Coping, Health Locus of Control, Social Support, and Attribution Style ”. The Spanish Journal of Psychology 10, nº 2: 388-98. https://revistas.ucm.es/index.php/SJOP/article/view/SJOP0707220388A