Kalsheker, N. A., Hodgson, I. J., Watkins, G. L., White, J. P., Morrison, H. M., & Stockley, R. A. (1987). Deoxyribonucleic acid (DNA) polymorphism of the alpha 1-antitrypsin gene in chronic lung disease.

Kalsheker, N A., I J. Hodgson, G L. Watkins, J P. White, H M. Morrison, ja R A. Stockley. Deoxyribonucleic Acid (DNA) Polymorphism of the Alpha 1-antitrypsin Gene in Chronic Lung Disease. 1987.

Kalsheker, N A., et al. Deoxyribonucleic Acid (DNA) Polymorphism of the Alpha 1-antitrypsin Gene in Chronic Lung Disease. 1987.