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Other links at Family > Multiple Births > Research |
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Northern California Twin Registry
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If you and your twin are over the age of 18, live in the Bay Area, and are interested in registering, you will be invited to participate in studies and be eligible to receive payment for your participation.
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Sleep Research Study for Twins
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The University of Pennsylvania is recruiting same-sex twins living in the eastern time zone who are between the ages of 25 and 59 to participate in a sleep research study.
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