TABLE 1

Depth Dose Profiles for ¹³¹I and ⁹⁰Y in Tissue Adjacent to Spheric Tumor-Cylindric Target Model

Depth (cm)	% Source dose
		10-g tumor			20-g tumor			40-g tumor
		¹³¹I	⁹⁰Y	¹³¹I	⁹⁰Y	¹³¹I	⁹⁰Y
Source	100	100	100	100	100	100
0.0085	50	104	51	102	52	98
0.025	36	103	37	98	39	95
0.042	31	100	31	99	35	96
S-value in source (μGy/MBq·s)	3.15	12.76	1.58	6.53	0.83	3.38