information about Spirometer field

Field Hierarchy
Parent
Medicine
49.4M papers
Biology
36M papers
Physics
33M papers
Philosophy
22.3M papers
Internal medicine
20.6M papers
Geography
13.2M papers
Surgery
7.6M papers
Linguistics
7.2M papers
Immunology
5.1M papers
Meteorology
2.8M papers
Current
Spirometer
3,726 papers
Child
Trends