Theodore C. Friedman Books

Advances in Genetics, Volume 73

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Advances in genetics

By Jay C. Dunlap, Stephen F. Goodwin, Theodore Friedmann

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The everything guide to thyroid disease

By Theodore C. Friedman

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New studies reveal that potential causes of thyroid disease are chemicals present in your home and kitchen. You need to take extra precautions to keep your family safe. Learn about the dangers lurk...

The everything guide to thyroid disease

By Theodore C. Friedman

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The Everything Health Guide to Thyroid Disease Professional Advice on Getting the Right Diagnosis Managing Your Symptoms And Feeling Great Everything Health and Fitness

By Theodore C. Friedman, Winnie Yu

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Gene Transfer Vectors for Clinical Application

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Gene Transfer Vectors for Clinical Application

By Theodore C. Friedman

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Thyroid Disease the Unhealthy Thyroid

By Adams Media

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Thyroid Disease Hypothyroidism

By Adams Media

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Thyroid Disease Hyperthyroidism

By Adams Media

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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.