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Q28748157-F6E35B13-5AF8-4AE7-89B9-9A0A76699FB0
Q28748157-F6E35B13-5AF8-4AE7-89B9-9A0A76699FB0
BestRank
Statement
http://www.wikidata.org/entity/statement/Q28748157-F6E35B13-5AF8-4AE7-89B9-9A0A76699FB0
Regulatory Issues Encountered when Conducting Longitudinal Substance Abuse Research
P2860
Q28748157-F6E35B13-5AF8-4AE7-89B9-9A0A76699FB0
BestRank
Statement
http://www.wikidata.org/entity/statement/Q28748157-F6E35B13-5AF8-4AE7-89B9-9A0A76699FB0
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55f2eda076e102500a8deef2ea108796bc38463f
P2860
Achieving a 96.6 percent follow-up rate in a longitudinal study of drug abusers.