Licence: Attribution 4.0 International (CC BY 4.0)
Credit: SEM human bronchus,mucus plugging,stereo,LH. David Gregory & Debbie Marshall. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: SEM human bronchus,mucus plugging,stereo,LH. David Gregory & Debbie Marshall. Source: Wellcome Collection.