Arman T. Askari MD Books

Management of the Patient in the Coronary Care Unit

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Introductory guide to cardiac catheterization

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"The staff in every catheterization laboratory in the world participates in some form of hazing. Although largely benign and expected, this ritual can place even more stress on an already unsettled...

Introductory Guide to Cardiac Catheterization

By Eric J. Topol MD, Adrian W. Messerli MD, Ronnier J. Aviles MD, Arman T. Askari MD, Marc S. Penn MD PhD

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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.