Association of sleep disorders with heart rate variability in children and adolescents with cystic fibrosis. - dos Santos Lugao, Rodrigo; Batista Barbosa, Roberta Ribeiro; de Freitas Coelho, Pitiguara; Gonçalves Liberato, Fernanda Mayrink; Reis Vidal, Pâmela; Couto Olimpio de Carvalho, Roberta Barcellos; Nunes Cruz Melotti, Roberta de Cássia; Fagundes Donadio, Márcio Vinícius (Revista Paulista de Pediatria, 2022)