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Study of Families With Twins or Siblings Discordant for Rheumatic Disorders

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. Identifier: NCT00055055
Recruitment Status : Recruiting
First Posted : February 17, 2003
Last Update Posted : December 24, 2018
Information provided by (Responsible Party):
National Institutes of Health Clinical Center (CC) ( National Institute of Environmental Health Sciences (NIEHS) )