Lian, Bin, Jin-ping Zang, Wei-guo Hou, Sheng Yuan, and Donald L. Smith. 2008. “PCR-Based Sensitive Detection of the Edible Fungus Boletus Edulis from RDNA ITS Sequences”. Electronic Journal of Biotechnology 11 (3). Valparaíso, Chile:0-0. https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v11n3-4.