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EJNMMI Physics
Fig. 4 | EJNMMI Physics

Fig. 4

From: System evaluation of automated production and inhalation of 15O-labeled gaseous radiopharmaceuticals for the rapid 15O-oxygen PET examinations

Fig. 4

Time-activity curves of RD1 in Fig. 1 with and without cyclotron beam bombardment for the second supply of C15O2 (upper). Ratio of the two curves indicates the fractional contamination in the C15O2 radioactivity from the previous production of 15O2 (lower). Note that the time scale is given after initiation of the 15O2 supply to the face mask

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