Genetic regulators of sputum mucin concentration and their associations with COPD phenotypes. oleh Eric Van Buren, Giorgia Radicioni, Sarah Lester, Wanda K O'Neal, Hong Dang, Silva Kasela, Suresh Garudadri, Jeffrey L Curtis, MeiLan K Han, Jerry A Krishnan, Emily S Wan, Edwin K Silverman, Annette Hastie, Victor E Ortega, Tuuli Lappalainen, Martijn C Nawijn, Maarten van den Berge, Stephanie A Christenson, Yun Li, Michael H Cho, Mehmet Kesimer, Samir N P Kelada