Demographic, clinical, and laboratory parameters of cystic fibrosis during the last two decades: a comparative analysis.Published in:BMC Pulmonary Medicine, 2015, v. 15, n. 1, p. 39, doi. 10.1186/1471-2466-15-3By:de Lima Marson, Fernando Augusto;Russo Hortencio, Tais Daiene;^Alberto Aguiar, Katia Cristina;Ribeiro, Jose DirceuPublication type:Article