John T. Patlan Books

Internal Medicine

By Eugene C. Toy, Etc., John T. Patlan

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Case Files: Internal Medicine

By Eugene C. Toy, John T. Patlan, Philip R. Orlander, Fabrizia Faustinella

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Case Files Internal Medicine, Fifth Edition

By Patlan, John T., Jr., Mark T. Warner, Eugene C. Toy, Mark Warner, John T. Patlan, Eugene Toy, John Patlan, Eugene Toy, John Patlan, Mark T. Warner

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**SHARPEN YOUR CRITICAL THINKING SKILLS AND IMPROVE PATIENT CARE** Experience with clinical cases is key to mastering the art and science of medicine and ultimately in providing patients with compe...

Case Files Internal Medicine Sixth Edition

By Eugene C. Toy, Mark T. Warner, John T. Patlan

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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.