TY  - RPRT
TI  - Spirometry studies in patients awaiting surgery.
AU  - J Gjessing
AU  - P J Tomlin
PY  - 1972
DO  - 10.1111/j.1399-6576.1972.tb00577.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4561320/
ID  - 4561320
ER  -