Schredl M, Bocklage A, Engelhardt J, Mingebach T. Psychological boundaries, dream recall, and nightmare frequency: a new Boundary Personality Questionnaire (BPQ). ijodr [Internet]. 2009Apr.10 [cited 2024Nov.23];2(1):12-9. Available from: https://journals.ub.uni-heidelberg.de/index.php/IJoDR/article/view/162