Nusdwinuringtyas, N., A. Fauzan, and C. M. Rumende. “Factors Affecting Peak Cough Flow Value on Healthy Young Adults in Indonesia (Mongoloid)”. Journal Of The Indonesian Medical Association, Vol. 69, no. 10, Mar. 2020, pp. 310-3, doi:10.47830/jinma-vol.69.10-2020-180.