PT Journal AU Hengartner, MP Kruger, THC Geraedts, K Tronci, E Mancini, T Ille, F Egli, M Röblitz, S Ehrig, R Saleh, L Spanaus, K Schippert, C Zhang, Y Leeners, B TI Negative affect is unrelated to fluctuations in hormone levels across the menstrual cycle: Evidence from a multisite observational study across two successive cycles SO Journal of Psychosomatic Research PY 2017 BP 21 EP 27 VL 99 DI 10.1016/j.jpsychores.2017.05.018 ER