Distinct COPD subtypes in former smokers revealed by gene network perturbation analysis oleh Kristina L. Buschur, Craig Riley, Aabida Saferali, Peter Castaldi, Grace Zhang, Francois Aguet, Kristin G. Ardlie, Peter Durda, W. Craig Johnson, Silva Kasela, Yongmei Liu, Ani Manichaikul, Stephen S. Rich, Jerome I. Rotter, Josh Smith, Kent D. Taylor, Russell P. Tracy, Tuuli Lappalainen, R. Graham Barr, Frank Sciurba, Craig P. Hersh, Panayiotis V. Benos