The opening chapters of this book deal with new apparatus, techniques, and protection. A description of image intensifiers and their relation to cineradiography is given. The chapter on protection in the diagnostic x-ray department is timely and of real value. It should be especially useful in the United States where there is growing interest in such protection by municipal and state health departments. All the chapters are followed by a full list of references, which is a desirable feature too often neglected. The chapter on radiology in research is short but adequate. It outlines the trend in this field.
The next chapter deals with the changing pattern of chest disease and contains material with which every radiologist should be familiar. The portion on lung cancer is especially good. Then follow chapters on evaluation of cardiac function by angiocardiography and cineradiology. These functions of the radiological department are mainly for very