Best money I have spent in a LONG time. "I'm a nursing student and part of our clinical rotation was to write down our patient's lab results and note on any abnormals why they were abnormal for my particular patient. This book lists out not just the normal levels, but what conditions can contribute to the high or low values. Sometimes it's pages and pages of possible reasons. This baby is a fantastic time saver for me. Great for nursing school, you...