TY  - RPRT
TI  - A device for filling a spirometer automatically.
AU  - E D TOPLIFF
AU  - L E CULLUM
PY  - 1955
DO  - 10.1152/jappl.1955.8.2.243
UR  - https://pubmed.ncbi.nlm.nih.gov/13263270/
ID  - 13263270
ER  -