Effect of smoking on lung function, respiratory symptoms and respiratory diseases amongst HIV-positive subjects: a cross-sectional study.
Cui
Qu
Q
Department of Clinical Epidemiology and Biostatistics, McMaster University, 1200 Main Street West, Hamilton, ON L8N 3Z5, Canada. cuiq2@mcmaster.ca
Carruthers
Sue
S
McIvor
Andrew
A
Smaill
Fiona
F
Thabane
Lehana
L
Smieja
Marek
M