Characterization of organic gunshot residues in lead-free ammunition using a new sample collection device for liquid chromatography-quadrupole time-of-flight mass spectrometry

1. Benito, S.
2. Abrego, Z.
3. Sánchez, A.
4. Unceta, N.
5. Goicolea, M.A.
6. Barrio, R.J.