4.2 microgram a nanogram

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3.7 microgram a nanogram 3.8 microgram a nanogram 3.9 microgram a nanogram 4 microgram a nanogram 4.1 microgram a nanogram 4.2 microgram a nanogram 4.3 microgram a nanogram 4.4 microgram a nanogram 4.5 microgram a nanogram 4.6 microgram a nanogram 4.7 microgram a nanogram

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