TY  - RPRT
TI  - Monitoring peak expiratory flow rate.
AU  - F Chmelik
PY  - 1997
DO  - 10.1016/s1081-1206(10)63208-5
UR  - https://pubmed.ncbi.nlm.nih.gov/9109713/
ID  - 9109713
ER  -