TY  - JOUR 
T1  - The opinion of patients with COPD: the process of becoming chronically sick
JO  - Ciência & Saúde Coletiva
A1  - Luz, Elisabete Lamy
A1  - Basto, Marta Lima
SN  - 1413-8123
UL  - 10.1590/S1413-81232013000800006
VL  - 18 
Y1  - 2013
PB  - Brasil 
ER  -