Lung function test
Asthmatic child taking lung function test, breathing heavily into a vitalograph, which measures the lung vital capacity and forced expiratory rate before and after medication.
Copyright © James King-Holmes 2014.Copyright © James King-Holmes |PLUS|01-AA-662| 2014
Model Release: Yes
Photo size: 11.8 Mpixels (33.8 MB uncompressed) - 3148x3753 pixels (10.4x12.5 in / 26.7x31.8 cm at 300 ppi)