Fig. 3

Graph of the conversion factors for ^99mTc complete data set over the entire 18 months of the study. Data set includes all phantoms, 20 cm, ACR, and IQ (solid diamond) and all liter bottles: 1 (circle)-, 2 (triangle)-, and 4 (square)-L. 72.5 % of the data points are within one standard deviation of the mean