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Q33914252-0D5AF233-EF6D-4338-8D74-15D3235AE312
Q33914252-0D5AF233-EF6D-4338-8D74-15D3235AE312
BestRank
Statement
http://www.wikidata.org/entity/statement/Q33914252-0D5AF233-EF6D-4338-8D74-15D3235AE312
Challenges to be overcome using population-based sampling methods to recruit veterans for a study of post-traumatic stress disorder and traumatic brain injury.
P2860
Q33914252-0D5AF233-EF6D-4338-8D74-15D3235AE312
BestRank
Statement
http://www.wikidata.org/entity/statement/Q33914252-0D5AF233-EF6D-4338-8D74-15D3235AE312
rank
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type
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Statement
wasDerivedFrom
4218e97f6173b24c22fc3f9cbf2dd692d05f30c5
P2860
Impact of direct mail as a method to recruit smoking mothers into a "quit and win" contest.