Familial longevity is marked by lower diurnal salivary cortisol levels: the Leiden Longevity Study.

by Raymond Noordam, Steffy W M Jansen, Abimbola A Akintola, Nicole Y L Oei, Andrea B Maier, Hanno Pijl, P Eline Slagboom, Rudi G J Westendorp, Jeroen van der Grond, Anton J M de Craen, Diana van Heemst, Leiden Longevity Study group
Published 2012