@article{Yusoo_2001 author = {Shin Yusoo and Tamai Yutaka and Terazawa Minoru}, title = {Triterpenoids, Steroids, and a New Sesquiterpen from Inonotus obliquus (Pers.: Fr.) Bond, et Sing}, journal = {International Journal of Medicinal Mushrooms}, issn = {1521-9437}, year = {2001}, volume = {3}, number = {2-3}, }