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Author: Charlie Cooke
Photo size: 2.8 Mpixels (7.95 MB uncompressed) - 1720x1616 pixels (5.7x5.4 in / 14.6x13.7 cm at 300 ppi)
Photo keywords: 1.5 minutes, chemical tests, marquis test, norcodeine, Sam Drake, University of Derby
Published in: Chemical tests