Andrew Preston Books

Methadone Briefing
Methadone Briefing

By Andrew Preston

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Methadone Handbook
Methadone Handbook

By Andrew Preston

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E. coli Plasmid Vectors
E. coli Plasmid Vectors

By Name Missing

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Cannabis
Cannabis

By Andrew Preston

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Amphetamine
Amphetamine

By Andrew Preston

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Ecstasy
Ecstasy

By Andrew Preston

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Crack Cocaine
Crack Cocaine

By Andrew Preston

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What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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