title: The challenge offered by X-ray lasers.
authors: Janos
authors: J
authors: Hajdu
mesh_terms: D001695:Biology / Q000379:methods* / Q000639:trends; D004583:Electrons; D007834:Lasers / Q000706:statistics & numerical data* / Q000600:supply & distribution; D017356:Synchrotrons / Q000191:economics / Q000706:statistics & numerical data* / Q000600:supply & distribution; D014481:United States; D014965:X-Rays