Comparison of knowledge on asthma: doctors completing internal medicine residency and doctors completing medical school - Vieira, Joaquim Edson; Cukier, Alberto; Stelmach, Rafael; Kasahara, David Itiro; Gannam, Silmar; Warth, Maria do Patrocínio Tenório Nunes (São Paulo Medical Journal/Revista Paulista de Medicina, 2001)