title: Cherry-picking watch. As PSOs rev up, feds launch war on patient screening.
authors.forename: E
authors.initials: E
authors.lastname: Weissenstein
mesh_terms: D003625:Data Collection; D006279:Health Maintenance Organizations / Q000706:statistics & numerical data*; D015273:Insurance Selection Bias; D006278:Medicare / Q000592:standards*; D018579:Patient Selection; D014481:United States