Strength and limitations
The high internal validity of this double-blinded randomized placebo-controlled study due to high experimental control, strict inclusion criteria, inclusion of women only, and the clear operationalization of intrusive memories can be highlighted as the main strength. Menstrual cycle [Some limitations to the study should be named. Oxytocin has sexually dimorphic effects that may be due to sex-specific differences in oxytocin plasma concentrations [