MoHamed Al-Samarai, A.G. and Hamed Al Obaidy, A. 2023. Effect of Steroids and Black Seed Oil on Hydrogen PeroxideConcentration and pH of Expired Breath Condensate inAsthmatic Patients. Tikrit Journal of Pharmaceutical Sciences. 5, 2 (Apr. 2023), 192–202. DOI:https://doi.org/10.25130/tjphs.2009.5.2.10.192.202.