Serum IgG Levels and Risk of COPD Hospitalization

Fernando Sergio Leitão Filho, André Mattman, Robert Schellenberg, Gerard J. Criner, Prescott G. Woodruff, Stephen C. Lazarus, Richard Albert, John E. Connett, MeiLan K. Han, Steven E. Gay, Fernando J. Martínez, Anne L. Fuhlbrigge, James K. Stoller, Neil R. MacIntyre, Richard Casaburi, Philip Diaz, Ralph J. Panos, John A. Cooper, William C. Bailey, David C. LaFon, Frank C. Sciurba, Richard E. Kanner, Roger D. Yusen, David H. Au, Kenneth C. Pike, Vincent S. Fan, Janice M. Leung, Shu-Fan Paul Man, Shawn D. Aaron, Robert M. Reed, Don D. Sin