Relative testosterone deficiency in older men: clinical definition and presentation.

Relative Testosterone Deficiency in Older Men: Clinical Definition and Presentation Peter Y. Liu, MD, PhD, Ronald S. Swerdloff, MD, Christina Wang, MD* Division of Endocrinology, Department of Medicine, Los Angeles Biomedical Research Institute, Harbor–University of California at Los Angeles Medical Center, Torrance, CA, USA David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, CA, USA General Clinical Research Center, Los Angeles Biomedical Research Institute, Harbor–University of California at Los Angeles Medical Center, Torrance, CA, USA