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Ashley-Koch, A., A. Agusti, P. Calverley, H. Coxon, C. Donner, B. Make, N. Muller, et al. “International network to investigate the genetics of Chronic Obstructive Pulmonary Disease.” In AMERICAN JOURNAL OF HUMAN GENETICS, 69:307–307. UNIV CHICAGO PRESS, 2001.

Ashley-Koch A, Agusti A, Calverley P, Coxon H, Donner C, Make B, et al. International network to investigate the genetics of Chronic Obstructive Pulmonary Disease. In: AMERICAN JOURNAL OF HUMAN GENETICS. UNIV CHICAGO PRESS; 2001. p. 307–307.

Ashley-Koch, A., et al. “International network to investigate the genetics of Chronic Obstructive Pulmonary Disease.” AMERICAN JOURNAL OF HUMAN GENETICS, vol. 69, no. 4, UNIV CHICAGO PRESS, 2001, pp. 307–307.

Ashley-Koch A, Agusti A, Calverley P, Coxon H, Donner C, Make B, Muller N, Pare P, Rennard S, Vestbo J, Wouters E, Franklin A, Hall M, Haynes C, Butrim J, Pericak-Vance MA, Middleton LT, Foster C, Silverman EK, Lomas DA. International network to investigate the genetics of Chronic Obstructive Pulmonary Disease. AMERICAN JOURNAL OF HUMAN GENETICS. UNIV CHICAGO PRESS; 2001. p. 307–307.