Schladt, T Moritz Choir versus Solo Singing: Effects on Mood, and Salivary Oxytocin and Cortisol Concentrations. [electronic resource] - Frontiers in human neuroscience 2017 - 430 p. digital Publication Type: Journal Article ISSN: 1662-5161 Standard No.: 10.3389/fnhum.2017.00430 doi