Hormones and the Aging Process

tion of samples and normal values. Part two is devoted to methods of analysis of biological fluids. The description of each method includes an introduction, recommended procedure or procedures, discussion, brief note on the physiological significance, and bibliography. The subject matter is treated in a simple and direct way, which is by no means complete, but the material is well selected to be representative and significant. Directors of hospital laboratories, clinical pathologists, teachers of courses in medical technology, and others who have responsibility for technical training in either the research or service laboratory will find it a useful aid.