JAIME MILLĂN SANTIAGORAFAEL LUCENA RODRIGUEZ2026-01-292026-01-29202110.1016/j.microc.2020.1058432-s2.0-85098731451https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/32784Analytical ChemistrySpectroscopyPolyamide-coated wooden tips coupled to direct infusion mass spectrometry, a high throughput alternative for the determination of methadone, cocaine and methamphetamine in oral fluidresearch article