A depiction of how a joint is supposed to work clues the viewer in on what problems arthritis causes.
Milner-Fenwick, Inc., 2125 Greenspring Dr., Timonium, MD 21093-3113, Toll-free: 800-432-8433, Fax: (410)252-6316, Email: firstname.lastname@example.org, URL: http://www.milner-fenwick.com
Available on VHS
Running time 14 minutes.
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