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Comparative Study
. 2008 Apr;56(4):776-7; author reply 777.
doi: 10.1111/j.1532-5415.2008.01651.x.

Reduced falls in the elderly: tai chi or placebo or Hawthorne effect?

Alan R Katz
Comparative Study

Reduced falls in the elderly: tai chi or placebo or Hawthorne effect?

Alan R Katz. J Am Geriatr Soc. 2008 Apr.
No abstract available

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