Helga Sundin Books

Introduction to injectable medications

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"This program shows the different supplies used for the administration of intramuscular, subcutaneous, intradermal, and intravascular medications. It also demonstrates how to withdraw solutions fro...

Blood pressure

By Helga Sundin

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"Defines normal blood pressure, and demonstrates techniques for obtaining blood pressures with a variety of equipment using various body sites. Presents the selection of equipment and site, chartin...

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.