De-qi, not psychological factors, determines the therapeutic efficacy of acupuncture treatment for primary dysmenorrhea

A Self-Rating Depression Scale

William W.K. Zung · Archives of General Psychiatry · 1965 · 9.7K citations · Full text

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A Rating Instrument For Anxiety Disorders

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Quantitative Applications in the Social Sciences

Graham K. Rand · Journal of the Operational Research Society · 1983 · 842 citations

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Klaus Linde, Andrea Streng, Susanne Jürgens et al. · JAMA · 2005 · 646 citations

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