@article{0dd1d323705d4ab082096fd03203f03c,
title = "Low testosterone levels and decline in physical performance and muscle strength in older men: findings from two prospective cohort studies.",
author = "L.A. Schaap and S.M.F. Pluijm and D.J.H. Deeg and B.W.J.H. Penninx and B.J. Nicklas and P.T.A.M. Lips and T.B. Harris and A.B. Newman and S.B. Kritchevsky and J.A. Cauley and B.H. Goodpaster and F.A. Tylavsky and K. Yaffe and M. Visser",
year = "2008",
doi = "10.1111/j.1365-2265.2007.02997.x",
language = "Undefined/Unknown",
volume = "68",
pages = "42--50",
journal = "Clinical endocrinology",
issn = "0300-0664",
publisher = "Wiley Blackwell",
}