TABLE 1

Plasma and Urine Concentrations of Coinjected ¹⁸F-FDS and ^99mTc-DTPA on γ-Counting Studies

Site	¹⁸F-FDS	^99mTc-DTPA
Plasma	0.16	1.15
	0.15	0.43
	0.21	0.25
	0.3	0.89
	0.7	1.22
	0.4	1.35
	0.5	1.62
	0.72	2.23
Urine	6.8	20.9
	2.3	6.2
	4.4	4.6
	1.7	5.7
	1.4	3.8
	2.7	4.8

Data are percentage injected dose per gram.