William A. Schwer Books

Family Practice

By Jonathan Adler, William A. Schwer, Scott H. Plantz

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Family Practice Pearls of Wisdom

By Schwer, Jonathan Adler, Alder, Scott Plantz, William A. Schwer, Plantz

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Family Medicine Board Review: Pearls Of Wisdom, Fourth Edition

By Scott H Plantz, Scott Plantz, William A. Schwer, Cynthia M. Waickus, William Schwer, Cynthia Waickus

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Like flashcards in a book, this is an intense quick-hit Q&A review for the family medicine in-service and board exams and the perfect complement to larger texts Why waste time guessing at what you...

Family Practice Board Review: Pearls of Wisdom, Third Edition

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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.