Martyn Hooper Books

Pernicious Anaemia

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Accessible, user-friendly guide to the causes and consequences of vitamin B12 deficiency, highlighting the problems with diagnosis and treatment and what sufferers can do to overcome these difficul...

Pernicious Anaemia the Forgotten Disease

By Helga Refsum, Martyn Hooper, A. David Smith

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Living with Pernicious Anaemia and Vitamin B 12 Deficiency

By Martyn Hooper

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Living with Pernicious Anaemia and Vitamin B12 Deficiency

By Martyn Hooper

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What You Need to Know about Pernicious Anaemia and Vitamin B12 Deficiency

By Martyn Hooper

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

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.