Understanding confounding in research.
Murray
Kantahyanee W
KW
Ruth H. Young Center for Children and Families, University of Maryland School of Social Work, Baltimore, MD, USA.
Duggan
Anne
A
D000397:Air Pollution / Q000009:adverse effects; D001249:Asthma / Q000209:etiology; D035843:Biomedical Research; D015986:Confounding Factors, Epidemiologic; D006801:Humans; D012107:Research Design; D012307:Risk Factors; D014028:Tobacco Smoke Pollution / Q000009:adverse effects
D014028:Tobacco Smoke Pollution