Karyn I. Cotta, Stephen C. Dyar, & Mohammad N. Uddin. (2023). A Review on Different Animal and Human Studies to Evaluate the Safety of Inhalation of Propylene Glycol in E-Cigarettes. Advanced Concepts in Pharmaceutical Research Vol. 3, 133–150. https://doi.org/10.9734/bpi/acpr/v3/2442G