Recruiting by registered versus standard mail.
School of Medicine and Public Health, and Priority Research Centre for Health Behaviour, Hunter Medical Research Institute, University of Newcastle, Callaghan, Australia, Conor.Gilligan@newcastle.edu.au.
Conor
C
Gilligan
Kypros
K
Kypri
D000293:Adolescent; D000294:Adolescent Behavior; D000428:Alcohol Drinking; D001294:Attitude to Health; D006306:Health Surveys / Q000379:methods*; D006801:Humans; D009517:New South Wales; D018579:Patient Selection; D011177:Postal Service