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Author: Charlie Cooke
Photo size: 2.6 Mpixels (7.43 MB uncompressed) - 1259x2062 pixels (4.2x6.9 in / 10.7x17.5 cm at 300 ppi)
Photo keywords: chemical tests, duquenois levine test, Sam Drake, tetrahydrocannabinol, University of Derby
Published in: Chemical tests