 @article{liang_shu_wang_2022,  title={Biochemical composition, heavy metal content and their geographic variations of the form species <i>Nostoc commune</i> across China},  volume={42},  ISSN={0101-2061},  url={https://doi.org/10.1590/fst.20022},  DOI={10.1590/fst.20022},  journal={Food Science and Technology},  publisher={Sociedade Brasileira de Ciência e Tecnologia de Alimentos},  author={LIANG, Yansheng and SHU, Xiao and WANG, Weibo},  year={2022},  pages={e20022} }