Thomas Poyner Books

Common Skin Diseases

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Common Skin Diseases Provides A Unique Approach To The Diagnosis And Management Of Most Common Skin Problems. Dr. Poyner's Concise And Readable Writing Style, Combined With The Unique Symptom-orien...

Pocket Guide To Psoriasis

By Jonathan Barker, Simon Davison, Thomas Poyner

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Psoriasis is a common chronic skin disease, affecting in excess of 1 million people in the UK alone. Despite its high prevalence, the disease attracts little attention from most medical specialitie...

How Do We Manage Acne

By Thomas Poyner

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ix, 84 p., [12] p. of plates : 22 cm

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.