Seeing is believing with the Atlas of Normal Roentgen Variants That May Simulate Disease, edited by the late Theodore Keats and Mark W. Anderson. Now streamlined into a more concise, portable print format, with a wealth of additional content online, this medical reference book's thousands of images capture the roentgenographic presentation of a full range of normal variants and pseudo-lesions that may resemble pathologic conditions, helping you avoid false positives.

You'd be hard pressed to ...

Here's a rich pictorial review of normal and abnormal human prenatal development. For each body system or region, you'll find a brief description of the developmental plan, with key concepts and terminology, followed by discussions of histological principles, the classification of congenital defects, and basic cellular, molecular, and genetic concepts. An emphasis on morphological patterns in the embryo and fetus makes it easy to understand the structure and function of the adult body and the...