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Q35132546-155E44C2-A2ED-4A14-9E36-098714B44B62
Q35132546-155E44C2-A2ED-4A14-9E36-098714B44B62
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Statement
http://www.wikidata.org/entity/statement/Q35132546-155E44C2-A2ED-4A14-9E36-098714B44B62
Recruitment and retention of urban schoolchildren into a randomized double-blind vitamin D supplementation trial
P2860
Q35132546-155E44C2-A2ED-4A14-9E36-098714B44B62
BestRank
Statement
http://www.wikidata.org/entity/statement/Q35132546-155E44C2-A2ED-4A14-9E36-098714B44B62
rank
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wasDerivedFrom
595e3e9dae9ecd1dc483a76e23b6a4cdd84f0d1d
P2860
Recruitment and retention of Latino adolescents to a research study: lessons learned from a randomized clinical trial.