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. 2009 Oct 13;101(9):1565–1573. doi: 10.1038/sj.bjc.6605247

Table 1. Relative uptake of 18F-FDG within treated vs control tumours over time.

Time 18F-FDG relative uptake
Pre-PDT 1.15
30 min 0.65
24 h 0.33
48 h 0.20

Abbreviation: PDT=photodynamic therapy.