@misc{indiciae9a20911b8619, title = {Interpreting subgroup analyses: is a school-based asthma treatment program's effect modified by secondhand smoke exposure?}, author = {David G Bundy and Molly Curtin Berkoff and Kristin E Ito and Marjorie S Rosenthal and Morris Weinberger}, year = {2004}, doi = {10.1001/archpedi.158.5.469}, url = {https://pubmed.ncbi.nlm.nih.gov/15123480/}, note = {Source identifier: 15123480} }