Peptides from two sanguinovorous leeches analyzed by ultra-performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometric detector Xiao L, Nie J, Li D, Chen K. Peptides from two sanguinovorous leeches analyzed by ultra-performance liquid chromatography coupled with electrospray ionization quadrupole time-of-flight mass spectrometric detector. Pharmacognosy Magazine [Internet]. 2015;11(41):32-37. https://www.ncbi.nlm.nih.gov/pubmed/25709207