Gaceta Sanitaria

456 - AGE AS A MODERATOR OF THE RELATIONSHIP BETWEEN PAIN AND HEALTH-RELATED QUALITY OF LIFE IN THE SPANISH POPULATION: THE MEDIATING ROLE OF PERCEIVED SOCIAL SUPPORT R. Gómez; M. Dueñas; I. Failde;

457 - PREVALENCE OF PHYSICAL COMORBIDITIES AMONG ADULTS WITH CHRONIC PAIN. A SYSTEMATIC REVIEW AND META-ANALYSIS M. Dueñas; S. Gallego; I. Failde;