ISA, ISSAM, EAU, EAA and ASA recommendations: Investigation, treatment and monitoring of late-onset hypogonadism in males

C. Wang, E. Nieschlag, R. Swerdloff, H. M. Behre, W. J. Hellstrom, L. J. Gooren, J. M. Kaufman, J. J. Legros, B. Lunenfeld, A. Morales, J. E. Morley, C. Schulman, I. M. Thompson, W. Weidner, F. C W Wu