I'm confused about my test results.
How do you figure out my lung percentage on the pulmonary function test?
My FEV1 is 0.9L
Thanks for your help
I'm confused about my test results.
How do you figure out my lung percentage on the pulmonary function test?
My FEV1 is 0.9L
Thanks for your help
I never heard ofFEV1 o.9l