טוען...
Predictors of smoking among male junior secondary school students in Riyadh, Saudi Arabia
OBJECTIVE: To determine the prevalence and determinants of cigarette smoking among intermediate (junior secondary) schoolboys in Riyadh, Saudi Arabia. PARTICIPANTS: A sample of 1382 students (ages 12-19 years) in 45 classes randomly selected from 15 schools, using a two- stage stratified cluster sam...
שמור ב:
| Main Authors: | , , , |
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| פורמט: | Artigo |
| שפה: | Inglês |
| יצא לאור: |
BMJ Group
1996
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| נושאים: | |
| גישה מקוונת: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1759483/ https://ncbi.nlm.nih.gov/pubmed/8795855 |
| תגים: |
הוספת תג
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