Wu, X., Zhao, H., Chen, J., Feng, R., Li, C., Zhang, Z., Zhang, C., Li, G. and Zhao, Y. 2014. The History and Outlook of Animal Drugs Treating Asthma, Chronic Bronchitis, and Haze Episode-induced Respiratory Diseases. International Journal of Biotechnology for Wellness Industries. 3, 2 (Aug. 2014), 69–78. DOI:https://doi.org/10.6000/1927-3037.2014.03.02.5.