TY  - RPRT
TI  - Measuring asthma severity: instrument refinement.
AU  - Sharon D Horner
AU  - Gail M Kieckhefer
AU  - Rachel T Fouladi
PY  - 2006
DO  - 10.1080/02770900600857192
UR  - https://pubmed.ncbi.nlm.nih.gov/16939994/
ID  - 16939994
ER  -