title: Critical illness at mass gatherings.
authors.forename: Vince
authors.initials: V
authors.lastname: Markovchick
mesh_terms: D016638:Critical Illness / Q000453:epidemiology*; D004632:Emergency Medical Services / Q000706:statistics & numerical data*; D006801:Humans; D009146:Music; D011998:Recreation; D013177:Sports; D013781:Texas