title: Enrichment and determination of crotonaldehyde using magnetic multiwalled carbon nanotubes as an adsorbent and a matrix for matrix-assisted laser desorption/ionization time-of-flight mass spectrometry.
authors.forename: Danni
authors.initials: D
authors.lastname: Huang
authors.forename: Xianying
authors.initials: X
authors.lastname: Wang
authors.forename: Chunhui
authors.initials: C
authors.lastname: Deng