Frank A. Manning Books

Sonography in Obstetrics & Gynecology: Principles and Practice, 7th Edition

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"Since the publication of the 6th Edition, there have been major new developments and improved understanding of a variety of obstetric and gynecologic disorders. Concomitantly, there have been sign...

Sonography in Obstetrics Gynecology

By Phillippe Jeanty, Roberto Romero, Frank A. Manning, Arthur C. Fleischer

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Principles and Practice of Ultrasonography in Obstetrics and Gynaecology

By Robert Romero, Philippe Jeanty, Frank A. Manning, Arthur C. Fleischer

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Fleischer s Sonography in Obstetrics and Gynecology

By Eugene C. Toy, Jacques S. Abramowicz, Frank A. Manning, Arthur C. Fleischer, Luis Goncalves

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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.