Premenstrual mood and empathy after a single light therapy session.
Aan het Rot, M., Miloserdov, K., Buijze, A.K.F., Meesters, Y., Gordijn, M.C.M. Premenstrual mood and empathy after a single light therapy session. Psychiatry Research 256: 212-218 (2017).
http://www.psy-journal.com/article/S0165-1781(16)31613-4/fulltext