| Medical diagnosis | Measure the effects of disease on respiratory function. Follow the course of a disease affecting respiratory function. Evaluate signs, symptoms or laboratory findings. Physical fitness, selection or evaluation in health and disease. To reassure the patient and/or the physician.
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| Surgery | Preoperative risk evaluation for anaesthetic and surgery. Postoperative assessment of surgery, particularly thoracic surgery.
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| Disability evaluation | |
| Research | |