Difficult To Treat Asthma

MLA

Khurana, Sandhya, and Fernando Holguin. Difficult To Treat Asthma. Springer International Publishing, 2020.

APA

Khurana, S., & Holguin, F. (2020). Difficult To Treat Asthma. Springer International Publishing.

Chicago

Khurana, Sandhya, and Fernando Holguin. Difficult To Treat Asthma. : Springer International Publishing, 2020.