Lester J. Layfield Books

Cytopathology of Bone and Soft Tissue Tumors

By Parkin, Mark Freed, D.A. Nyberg, Bhugra, Shankie, W. Holzgreve, Pamela Mason, Mehta, Lester J. Layfield, Parthenon, Trobe

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Musculoskeletal cytohistology

By Lester J. Layfield

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"Each volume in this richly illustrated series, sponsored by the Papanicolaou Society of Cytopathology, provides an organ-based approach to the cytological and histological diagnosis of small tissu...

The Papanicolaou Society of Cytopathology System for Reporting Respiratory Cytology

By Lester J. Layfield, Zubair Baloch

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Atlas of Fine Needle Aspiration Cytology

By Lester J., M.D. Layfield

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Musculoskeletal Cytohistology

By Carlos W. Bedrossian, Julia R. Crim, Lucio Palombini, Lester J. Layfield

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Musculoskeletal Cytohistology

By Carlos W. Bedrossian, Julia R. Crim, Lucio Palombini, Lester J. Layfield

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Musculoskeletal Cytohistology

By Carlos W. Bedrossian, Julia R. Crim, Lucio Palombini, Lester J. Layfield

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Musculoskeletal Cytohistology

By Carlos W. Bedrossian, Julia R. Crim, Lucio Palombini, Lester J. Layfield

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Cytopathology of the Head and Neck

By Lester J. Layfield, Ben J. Glasgow, Harvey Cramer

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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.