Subjects: CHILDREN'S health; HEALTH surveys
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Subjects: *VITAMIN D in human nutrition; *HEALTH surveys
Subjects: HEALTH surveys; CHILDREN'S health
Subjects: HEALTH surveys; OVERUSE injuries; FINGER injuries
Subjects: CYCLING; PHYSICAL fitness; HEALTH surveys
Subjects: *CYBERBULLYING; *SURVEYS; *SUICIDERODEMEYER, Jamey
Subjects: *SURVEYS; *MASS media use; *MASS media & youthUNITED StatesHENRY J. Kaiser Family Foundation
Subjects: *INTERVIEWING; *SURVEYS
Subjects: ANIMALS; SURVEYS; RABBITS