Gary E. Martin, Bruce D. Hilton, Kirill A. Blinov, Antony J. Williams.
Multistep correlations via covariance processing of COSY/GCOSY spectra: opportunities and artifacts , Magn. Reson. Chem. 2008, 46, 997–1002
An application of Covariance NMR to examine strychnine and NMR assignments using COSY spectrocopy
Grit Kummerlöwe, Sebastian Knör, Andreas O. Frank, Thomas Paululat, Horst Kessler and Burkhard Luy.
Deuterated polymer gels for measuring anisotropic NMR parameters with strongly reduced artefacts, Chem. Commun., 2008, 5722.
Kishore K. R. Tetala, Jan W. Swarts, Bo Chen, Anja E. M. Janssen and Teris A. van Beek.
A three-phase microfluidic chip for rapid sample clean-up of alkaloids from plant extracts, Lab Chip, 2009, 9, 2085.
Mohsen Behpour, Sayed Mehdi Ghoreishi, Maryam Khayatkashani and Mohamadhasan Motaghedifar.
Determination of strychnine in strychnos nux-vomica crude and detoxified seeds by voltammetric method using a carbon paste electrode incorporated with gold nanoparticles, Anal. Methods, 2011, 3, 872.