TY  - RPRT
TI  - Open access to spirometry with chest x-ray.
AU  - E C Smith
AU  - D Smith
AU  - A H Kendrick
AU  - G Laszlo
PY  - 1990
UR  - https://pubmed.ncbi.nlm.nih.gov/2112016/
ID  - 2112016
ER  -