TY  - RPRT
TI  - Classifying types of dyspnea.
AU  - D H Simmons
PY  - 1991
DO  - 10.1164/ajrccm/143.5_pt_1.1201
UR  - https://pubmed.ncbi.nlm.nih.gov/2024839/
ID  - 2024839
ER  -