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Q34624701-A8AA9E7C-78BA-496D-B885-D7074773ACF8
Q34624701-A8AA9E7C-78BA-496D-B885-D7074773ACF8
BestRank
Statement
http://www.wikidata.org/entity/statement/Q34624701-A8AA9E7C-78BA-496D-B885-D7074773ACF8
Challenges to obtaining parental permission for child participation in a school-based waterpipe tobacco smoking prevention intervention in Qatar.
P2860
Q34624701-A8AA9E7C-78BA-496D-B885-D7074773ACF8
BestRank
Statement
http://www.wikidata.org/entity/statement/Q34624701-A8AA9E7C-78BA-496D-B885-D7074773ACF8
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Statement
wasDerivedFrom
0f5e791180f5f0c911dc51e6cfb93e2d0aea0b78
P2860
Does the requirement of getting active consent from parents in school-based research result in a biased sample? An empirical study.