Armand B. Cognetta Books

Color Atlas of Dermatoscopy

By Armand B. Cognetta, Peter Bilek, Walter H. C. Burgdorf, Wilhelm Stolz, Michael Landthaler, Otto Braun Falco

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Radiation Therapy for Skin Cancer

By Armand B Cognetta, William M. Mendenhall

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Radiation Therapy for Skin Cancer

By Armand B Cognetta, William M. Mendenhall

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Radiation Therapy for Skin Cancer

By Armand B. Cognetta Jr.

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Superficial radiation has been utilized by dermatologists for skin cancer and inflammatory diseases since the early 1900s. This textbook is the progeny of multiple previous editors from 1926 on de...

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.