jf Litiii Pry “ _ ~ al = = @ — w f- a J be-~e-~-- 2 oo 777 T->>= RGAMMA BACKGROUND 7 : Littiiul a TTT] O01 1 Jt ABSORBER THICKNESS (mg./q.cm.) ple of Beta Range Measurement, “Figs 3-23 Exam Shot 1, How 2 - 24 hr Sample. | 1h 1,2
jf Litiii Pry “ _ ~ al = = @ — w f- a J be-~e-~-- 2 oo 777 T->>= RGAMMA BACKGROUND 7 : Littiiul a TTT] O01 1 Jt ABSORBER THICKNESS (mg./q.cm.) ple of Beta Range Measurement, “Figs 3-23 Exam Shot 1, How 2 - 24 hr Sample. | 1h 1,2