JNM -- Usmani et al. 45 (1): 69 Figure 3

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FIGURE 3. Posterior thorax (A), anterior thorax (B), and lateral throat (C) ${gamma}$ -camera images of asthmatic patient using ^99mTc-labeled aerosol particles with MMAD of 3 µm (GSD, 1.18). Red areas indicate regions of highest radioactivity, and black, of least.