21.2 picogram in nanogram

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18.8 picogram in nanogram 51.5 picogram in nanogram 72.9 picogram in nanogram 73.5 picogram in nanogram 12.6 picogram in nanogram 93.4 picogram in nanogram 31.9 picogram in nanogram 98.9 picogram in nanogram 9.5 picogram in nanogram 26.9 picogram in nanogram

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