Greenwald, G. I., Tashkin, D. P., Gong, H., Simmons, M., Duann, S., Furst, D. E., & Clements, P. (1987). Longitudinal changes in lung function and respiratory symptoms in progressive systemic sclerosis. Prospective study. The American journal of medicine, 83(1), 83. https://doi.org/10.1016/0002-9343(87)90501-8
Chicago-Zitierstil (17. Ausg.)Greenwald, G I., D P. Tashkin, H. Gong, M. Simmons, S. Duann, D E. Furst, und P. Clements. "Longitudinal Changes in Lung Function and Respiratory Symptoms in Progressive Systemic Sclerosis. Prospective Study." The American Journal of Medicine 83, no. 1 (1987): 83. https://doi.org/10.1016/0002-9343(87)90501-8.
MLA-Zitierstil (9. Ausg.)Greenwald, G I., et al. "Longitudinal Changes in Lung Function and Respiratory Symptoms in Progressive Systemic Sclerosis. Prospective Study." The American Journal of Medicine, vol. 83, no. 1, 1987, p. 83, https://doi.org/10.1016/0002-9343(87)90501-8.