William B. Trattler Books

Cornea handbook

By William B. Trattler

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Review of Ophthalmology

By Neil J. Friedman, William B. Trattler, Peter K. Kaiser

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Review of Ophthalmology

By Neil J. Friedman, William B. Trattler, Peter K. Kaiser

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Optimizing Suboptimal Results Following Cataract Surgery

By Priya Narang, William Trattler, Bill Trattler

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Review of Ophthalmology - E-Book

By Neil J. Friedman, William B. Trattler, Peter K. Kaiser

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Quickly master what you need to know in all subspecialty areas of ophthalmology, including the latest information on today's standard diagnostic techniques, medical treatments, and surgical options...

Review of Ophthalmology

By Neil J. Friedman, William B. Trattler, Peter K. Kaiser

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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.