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APA Citation
Rosendal, M., Olde Hartman, T. C., Aamland, A., van der Horst, H., Lucassen, P., Budtz-Lilly, A., & Burton, C. (2017). "Medically unexplained" symptoms and symptom disorders in primary care: prognosis-based recognition and classification. BMC family practice, 18(1), 1–9. http://access.bl.uk/ark:/81055/vdc_100081090444.0x0001a1