On The Cover:  Scientists from around the world travel this month to Anaheim, as California’s 10th largest city hosts the AACC’s 2010 Annual Meeting and Clin Lab Expo. Five renowned plenary speakers will share their knowledge of biomarkers in Alzheimer’s disease, the changing healthcare landscape, stem cell utilization in human health, high-sensitivity CRP, and the systems approach to medicine. © Image reproduced with permission from Alberto Ruggieri/Illustration Works/Corbis

Clinical Chemistry is the leading forum for peer-reviewed, original research on innovative practices in today’s clinical laboratory. In addition to being the most cited journal in the field (23,068 citations in 2008), Clin Chem has the highest Impact Factor (5.579 in 2008) among journals of clinical chemistry, clinical (or anatomic) pathology, analytical chemistry, and the subspecialties, such as transfusion medicine, clinical microbiology.