Fig. 1
From: Internet-based cognitive-behavioral therapy for premenstrual syndrome: a randomized controlled trial
Study flow diagram. PMS, premenstrual syndrome; PSST, Premenstrual Symptoms Screening Tool; DRSP, Daily Record of Severity of Problems; SDS, Sheehan Disability Scale; MAQ, Menstrual Attitude Questionnaire; QLES-Q-SF, Quality of Life Enjoyment and Satisfaction Questionnaire Form