Elderly male patient,aged 87,undergoes a lung (pulmonary) function test with a spirometer. By breathing into the mouthpiece,the maximum rate at which air is expelled from the lungs is measured. This can detect asthma and other lung disorders | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Life In View |
Taille de l’image : | 3986 px × 2657 px |
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