Original Article
Smoking Related Factors according to the Nicotine Content.
Hyun Soo Kim, Seung Soo Hyun, Kwang Mo Kang, Joon Hyeok Jang, Jeong Il Kwak
Korean Journal of Family Medicine 2009;30(7):519-524.
Published online: July 20, 2009
Department of Family Medicine, Daejeon Veterans Hospital, Daejeon, Korea. haver7@hanmail.net JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/