“…Besides, it can be used to assess the multi markers in respiratory diseases, such as cytokines, leukotrienes, prostaglandins, adenosine, hydrogen peroxide, nitric oxide-derived products, and hydrogen ions. Moreover, it has been used for drug monitoring, diagnosis, and environmental health, and it could be considered an alternative sample type for pharmacokinetic (PK) and pharmacodynamic (PD) studies (2,6).…”