Barbara L. Hoffman Books

Williams Obstetrics, 24th Edition, Study Guide

By Barbara L. Hoffman

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Williams Gynecology, Third Edition

By John Schorge, Joseph Schaffer, Marlene Corton, Karen Bradshaw, Lisa Halvorson, Barbara Hoffman

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Williams Obstetrics 23rd Edition Study Guide

By Patricia Santiago Munoz, Kevin A. Worley, Vanessa Rogers, Barbara Hoffman, Scott Roberts

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Williams Gynecology Study Guide, Second Edition

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Williams Gynecology, Second Edition

By Barbara L. Hoffman

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"Unlike all other gynecology books that focus solely on either the medical OR surgical aspects of the discipline, Williams Gynecology provides both in one competitively priced volume. Students, res...

Cunningham and Gilstrap's Operative Obstetrics, Third Edition

By Barbara L Hoffman MD, F Gary Cunningham MD, Chairman And E S Hightower Professor Of Obstetrics Gynecology And Reproductive Sciences Larry C Gilstrap III, Edward R Yeomans Professor And Chairman Endowed Chair MD

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Williams Gynecology Third Edition Study Guide

By Moschos Hoffman, Cherine Hamid, Stephanie Y. Chang, William F. Griffith, Barbara L. Hoffman

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Williams Gynecology Fourth Edition

By Karen D. Bradshaw, Marlene M. Corton, Lisa M. Halvorson, Barbara L. Hoffman, Joseph I. Schaffer

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Williams Obstetrics 26e

By F. Gary Cunningham, Jodi S. Dashe, Barbara L. Hoffman, Kenneth J. Leveno, Catherine Y. Spong

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Williams ginecologia 3. edicion

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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.