Analysis of fatty acid ethyl esters in hair by headspace solid-phase microextraction (HS-SPME) and gas chromatography-mass spectrometry (GC-MS)

1. Cabarcos, P.
2. Álvarez, I.
3. Bermejo, A.M.
4. Tabernero, M.J.
5. López, P.
6. Fernández, P.