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    “…According to epidemiological studies, the relative risk especially for lung cancer might be twice as high in persons who have never smoked but who are in the highest exposure category, for example hospitality workers. …”
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    “…This study examined the factors that influence condom-use among young never-married males in Nigeria. Such information can help improve the design of a prevention programme for young never-married, especially, males to reduce their vulnerability to sexually transmitted infections (STIs) and HIV/AIDS transmission. …”
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    “…Spirometry provides clues to solving this puzzle of dyspnoea and wheeze in a young nonsmoker—the loops never lie! http://ow.ly/YC9zI A 10 s recording of expiratory sounds from this case can be found at: http://ow.ly/UVVu300moD1…”
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