Robert L. Stamper Books

The Intraocular Lens

By Robert L. Stamper

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Becker-Shaffer's Diagnosis and Therapy of the Glaucomas

By Robert L. Stamper, Robert L. Stamper MD, Marc F. Lieberman MD, Michael V. Drake MD

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Authored by three prominent specialists in the field, this text provides comprehensive coverage of diagnostic and treatment modalities for optimal glaucoma management. Revised throughout, this new...

Becker Shaffer s Diagnosis and Therapy of the Glaucomas

By Michael V. Drake, Robert L. Stamper, Marc F. Lieberman

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Ophthalmic Medical Assisting

By Robert L. Stamper, Paul J. Wasson

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Intraocular lenses

By Robert L. Stamper

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Becker-Shaffer's Diagnosis and Therapy of the Glaucomas

By Michael V. Drake, Robert L. Stamper, Marc F. Lieberman

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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.