Preliminary Study About Occupational Stress of Physicians and Nurses in Pediatric and Neonatal Intensive Care Units: the Balance Between Effort and Reward - Fogaça, Monalisa de Cássia; Carvalho, Werther Brunow de; Cítero, Vanessa de Albuquerque; Nogueira-Martins, Luiz Antonio (Revista Latino-Americana de Enfermagem = Latin American Journal of Nursing, 2010)