Referencia bibliográfica:
Å. Faresjö, E Theodorsson, M Chatziarsenis, V Sapouna, H-P Claesson, J Koppner y T Faresjö. Higher perceived stress but lower cortisol levels found among young Greek adults living in a stressful social environment in comparison with Swedish young adults. PLOS ONE (2013).
 Marta Lorenzo
Tendencias 21