1: Aspers RL, Geutjes PE, Honing M, Jaeger M. Using indirect covariance processing for structure elucidation of small molecules in cases of spectral crowding. Magn Reson Chem. 2011 Jul;49(7):425-36. doi: 10.1002/mrc.2766. Epub 2011 May 17. PubMed PMID: 21590729.
2: Shi X, Wu Y, Hang T, Xu X, Ding L, Tian Y, Wen A. Application of a sensitive liquid chromatographic/tandem mass spectrometric method to a pharmacokinetic study of allylestrenol in healthy Chinese female volunteers. J Chromatogr B Analyt Technol Biomed Life Sci. 2008 Aug 1;871(1):90-4. doi: 10.1016/j.jchromb.2008.06.054. Epub 2008 Jul 6. PubMed PMID: 18639502.