@article{Ellison2002,
author = {Ellison, P.T. and Bribiescas, R.G. and Bentley, G.R. and Campbell, B.C. and Lipson, S.F. and Panter-Brick, C. and Hill, K.},
title= {Population variation in age-related decline in male salivary testosterone},
year = {2002},
doi = {10.1093/humrep/17.12.3251},
journal = {Hum Reprod},
volume = {17},
number = {12},
pages = {3251--3253},
}