Paul L. Allan Books

Clinical Doppler Ultrasound with CD ROM

By Paul A. Dubbins, W. Norman McDicken, Myron A. Pozniak, Paul L. Allan

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Ecografia Doppler Clinica

By Paul L. Allan

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Clinical Doppler Ultrasound

By Myron A. Pozniak, Paul L. Allan

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Clinical Doppler Ultrasound offers an accessible, comprehensive introduction and overview of the major applications of Doppler ultrasound and their role in patient management. The new edition of th...

Clinical Ultrasound

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The new edition of Clinical Ultrasound has been thoroughly revised and up-dated by a brand new editorial team in order to incorporate the latest scanning technologies and their clinical application...

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.