Senior woman using spirometer, measuring lung capacity and peak expiratory force. — Stock photos

"Senior woman using spirometer, measuring lung capacity and peak expiratory force." is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1600 x 1067px, 2600 x 1733px, 7241 x 4827px. The minimum price for an image is 49$. Image in the highest quality is 7241 x 4827px, 300 dpi, and costs 449$.