title: By the numbers. Largest per diem nurse staffing firms in the U.S. Ranked by estimated 2009 U.S. temporary staffing revenue ($ millions).
mesh_terms: D004465:Economic Competition / Q000145:classification* / Q000191:economics; D006801:Humans; D009740:Nursing Staff / Q000600:supply & distribution*; D020416:Outsourced Services / Q000191:economics*; D014481:United States