(Q44972589)
Statements
Sex differences in ambulatory visits for chronic obstructive pulmonary disease, based on the National Ambulatory Medical Care Survey and the National Hospital Ambulatory Medical Care Survey from 1995 to 2004 (English)
Dong-Churl Suh
Helen Lau
Shibani M Pokras
In-Sun Choi
Elmira Valiyeva
1 November 2008