The performance of diagnostic tests in the pediatric age group constitutes a special problem of primary importance. Not only are there manifold technical difficulties, but also the interpretation of results must bear reference to dynamic concepts of growth and development. Further, a large group of test methods is almost exclusively applicable to children and, therefore, is not readily available in standard reference sources. There can be no question of the pressing need for a text which furnishes adequate technical detail, applicability and interpretation of results concerning diagnostic tests in infancy and childhood. Dr. Behrendt has ably compiled a comprehensive discussion of the subject. Of necessity, the basic explanations of the procedures are brief and, at times, incomplete. The sections entitled "Pediatric Considerations" and "Interpretation" are succinct and filled with valuable information.
The volume represents far more than a laboratory manual. Its scope of coverage renders it equally valuable to practicing