Oxytocin during the initial stages of romantic attachment: relations to couples' interactive reciprocity.
Psychoneuroendocrinology. 2012 Aug;37(8):1277-85. doi: 10.1016/j.psyneuen.2011.12.021. Epub 2012 Jan 26.
Psychoneuroendocrinology. 2012.
PMID: 22281209
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