Conrad Fischer Books

The three-month Internal Medicine clerkship plunges med students onto the hospital floor, the emergency department, and the clinic. What is expected of you? What should you expect? You need a "how...

Master the boards USMLE step 3

By Conrad Fischer

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Fully updated for the 2015 exam change, this guide will help you identify highly tested concepts, sharpen recall, and recognize the most likely answer on the test. Fisher and Reichert ensure that t...

Master the boards

By Conrad Fischer

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"Newly expanded with images and algorithms, all medical information presented in question format, exam-like questions for every disease, comprehensive resource for USMLE, COMLEX-USA, and the shelf"...

Obstetrics & Gynecology Correlations and Clinical Scenarios

By Conrad Fischer, Elizabeth V. August

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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.