Motherhood and oxytocin receptor genetic variation are associated with selective changes in electrocortical responses to infant facial expressions
Emotion (2014) - Comment
pubmed: 24749639  doi: 10.1037/a0035959  issn: 1931-1516  issn: 1528-3542 

Mikko J. Peltola, Santeri Yrttiaho, Kaija Puura, Alice Mado Proverbio, Nina Mononen, Terho Lehtimäki, Jukka M. Leppänen