APA (7th ed.) Citation

Kheirandish, E., Mahdizadeh, M., Mahdizadeh, M., Rezaeitalab, F., Yousefi, M., & Shojaee, S. S. R. Investigating the effect of echinacea extraction syrup on the outcomes of lower respiratory infections in patients with COVID-19: A randomized clinical trial study. BMC.

Chicago Style (17th ed.) Citation

Kheirandish, Elham, Mehrsadat Mahdizadeh, Mousa Mahdizadeh, Fariba Rezaeitalab, Mahdi Yousefi, and Seyedeh Sara Rezazadeh Shojaee. Investigating the Effect of Echinacea Extraction Syrup on the Outcomes of Lower Respiratory Infections in Patients with COVID-19: A Randomized Clinical Trial Study. BMC.

MLA (9th ed.) Citation

Kheirandish, Elham, et al. Investigating the Effect of Echinacea Extraction Syrup on the Outcomes of Lower Respiratory Infections in Patients with COVID-19: A Randomized Clinical Trial Study. BMC.