Figure 3. Effective dose as a function of half value layer (HVL). The fit refers to the conventional systems, including those with lung filters. The slope is significantly different from zero at the 95% confidence level (slope -1.9±0.6).
Figure 3. Effective dose as a function of half value layer (HVL). The fit refers to the conventional systems, including those with lung filters. The slope is significantly different from zero at the 95% confidence level (slope -1.9±0.6).