title: Heterogeneity: we can't live with it, and we can't live without it.
authors: Institute for Healthcare Improvement, 143 Garden Street, Wethersfield, CT 06109, USA. fdavidoff@cox.net
authors: Frank
authors: F
authors: Davidoff
mesh_terms: D035843:Biomedical Research / Q000592:standards; D004345:Drug Industry / Q000331:legislation & jurisprudence*; D064420:Drug-Related Side Effects and Adverse Reactions; D019317:Evidence-Based Medicine / Q000331:legislation & jurisprudence*; D006801:Humans; D014481:United States