Paul R. Sanberg Books

Over-the-Counter Drugs
Over-the-Counter Drugs

By Paul R. Sanberg

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Examines psychoactive drugs which are available without a doctor's prescription, discussing which are effective and which are harmful.

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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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