Cita APA

Kollerstrom, N., Lord, P. W., & Whimster, W. F. (1977). A difference in the composition of bronchial mucus between smokers and non-smokers.

Chicago Style Citation

Kollerstrom, N., P W. Lord, i W F. Whimster. A Difference in the Composition of Bronchial Mucus between Smokers and Non-smokers. 1977.

Cita MLA

Kollerstrom, N., P W. Lord, i W F. Whimster. A Difference in the Composition of Bronchial Mucus between Smokers and Non-smokers. 1977.