Age at Smoking Initiation and Subsequent Smoking Among Korean Adolescent Smokers
Objectives: The aim of this study was to investigate the relationship between age at cigarette smoking initiation and smoking level among adolescent current smokers. Methods: In 2007, students from one or two classes of the 10th or 11th grade were randomly selected using the probability proportional...
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| Автори: | , |
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| Формат: | Книга |
| Опубліковано: |
Korean Society for Preventive Medicine,
2014-09-01T00:00:00Z.
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| Предмети: | |
| Онлайн доступ: | Connect to this object online. |
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Connect to this object online.3rd Floor Main Library
| Шифр: |
A1234.567 |
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| Примірник 1 | Доступно |