Effects of repeated participation in the
non-smoking competition »Be Smart – Don’t Start«<span class="fett">Aim:</span> To study the effects of repeated participation in the competition »Be Smart – Don’t Start«. </p><p> <span class="fett">Method:</span> ...
School-based smoking prevention: Results
of a prospective controlled trialAim: To evaluate »Smoke-Free
Class Competition«. </P><P>Methods: In a
prospective control group study 131
school classes (grades 6-9) took part
in a smoke-free class ...