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Active research fields of acupuncture research: a document co-citation clustering analysis of acupuncture literature.
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2011
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The active fields in the last 5 to 10 years and previously could be identified as follows. (1) Clinical research on acupuncture; (a) studies on the safety of acupuncture; (b) the quest for the "placebo" needle and assessment of the placebo effect; (c) assessment of the efficacy of acupuncture for chronic back pain, osteoarthritis of the knee, and chronic headache. (2) Usage of acupuncture: (a) surveys on the trends of acupuncture use; (b) ethical guidelines of acupuncture experiments and quality assessment. (3) Experimental research on acupuncture mechanism: (a) the neurochemical basis of acupuncture analgesia and (b) evaluation of the effects of acupuncture using functional magnetic resonance imaging.