@article{shkondrov_krasteva_2021,  title={High resolution LC-MS/MS screening for secondary metabolites in bulgarian species of genus <i>Astragalus L</i>},  volume={44},  ISSN={0100-4042},  url={https://doi.org/10.21577/0100-4042.20170730},  DOI={10.21577/0100-4042.20170730},  number={6},  journal={Química Nova},  publisher={Sociedade Brasileira de Química},  author={Shkondrov, Aleksandar M. and Krasteva, Ilina N.},  year={2021},  month={Jun},  pages={683–688} }