Nancy B. Carlson Books

Clinical Procedures for Ocular Examination, Third Edition

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This book includes step-by-step procedures for each exam procedure; convenient summaries of practical how's and why's, without distracting theory; new procedures with corneal topography, pharmacolo...

Clinical Procedures for Ocular Examination Fourth Edition

By Daniel Kurtz, Nancy B. Carlson

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Clinical procedures for ocular examination

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Ocular Procedures for the Ocular Examination Fifth Edition

By Daniel Kurtz, Nancy B. Carlson

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Clinical Procedures for Ocular Examination

By Nancy B. Carlson

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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.