Roger Kirby: Testosterone and the struggle for higher social status: MEN'S HEALTH. Trends in Urology & Men's Health, 2014-1, nro 1, s. 11–14. doi:10.1002/tre.372. Artikkelin verkkoversio.
Roger Kirby: Testosterone and the struggle for higher social status: MEN'S HEALTH. Trends in Urology & Men's Health, 2014-1, nro 1, s. 11–14. doi:10.1002/tre.372. Artikkelin verkkoversio.