A prospective longitudinal study of clinical characteristics, laboratory findings, diagnostic spectrum and outcomes of specific therapy in adult patients with chronic cough in a general respiratory clinic
Journal article published in 2006 by
M. Ribeiro 
,
C. A. De Castro Pereira,
L. E. Nery,
O. S. Beppu,
C. O. Silva
,
C. A. De Castro Pereira,
L. E. Nery,
O. S. Beppu,
C. O. Silva
