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Arch Pediat Adol Med · May 2004
CommentInterpreting subgroup analyses: is a school-based asthma treatment program's effect modified by secondhand smoke exposure?
- David G Bundy, Molly Curtin Berkoff, Kristin E Ito, Marjorie S Rosenthal, and Morris Weinberger.
- University of North Carolina, Chapel Hill 27599-7105, USA. david_bundy@med.unc.edu
- Arch Pediat Adol Med. 2004 May 1;158(5):469-71.
no abstract available
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