Stephen L. Trokel Books

Medical Lasers and Their Safe Use

By David H. Sliney, Stephen L. Trokel, David Sliney

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YAG laser ophthalmic microsurgery

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Orbital Disease

By Daniel S. Casper, Stephen L. Trokel, T. Linda Chi

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Medical Lasers and Their Safe Use

By David H. Sliney, Stephen L. Trokel

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Medical Lasers and Their Safe Use

By David H. Sliney

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This timely volume, Medical Lasers and Their Safe Use, is designed for physicians as well as other members of a medical facility using lasers for surgical, therapeutic and diagnostic purposes. The...

Medical lasers and their safe use

By David H. Sliney

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Excimer Lasers in Ophthalmology

By Charles McGhee, Stephen L. Trokel, David S. Gartry, Hugh R. Taylor

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Orbital Disease

By Daniel S. Casper

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LIA guide to medical laser safety

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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.