Self-reported smoking status and urinary cotinine levels in patients with asthma oleh Gabriela Pimentel Pinheiro, Carolina de Souza-Machado, Andréia Guedes Oliva Fernandes, Raquel Cristina Lins Mota, Liranei Limoeiro Lima, Diego da Silva Vasconcellos, Ives Pereira da Luz Júnior, Yvonbergues Ramon dos Santos Silva, Valmar Bião Lima, Sérgio Telles de Oliva, Luane Marques de Mello, Ricardo David Couto, José Miguel Chatkin, Constança Margarida Sampaio Cruz, Álvaro Augusto Cruz