Eugene C. Toy Books

Case Files Emergency Medicine, Second Edition

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Case Files Family Medicine, Second Edition

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Case Files Obstetrics and Gynecology, Third Edition

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Case files

By Lydia Ann Conlay

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Case Files: Obstetrics And Gynecology, 3e

By Toy

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Case Files Psychiatry, Fourth Edition

By Eugene C. Toy

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"You need exposure to high-yield cases to excel on the psychiatry clerkship and the shelf-exam. Case Files: Psychiatry presents sixty real-life cases that illustrate essential concepts. Each case i...

Case Files Pediatrics, 4e

By TOY

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Case Files Medical Ethics and Professionalism

By Eugene Toy, Susan Raine, Thomas Cochrane

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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.