Changes in relative expression levels of viroidspeci fi c small RNAs and microRNAs in tomato plants infected with severe and mild isolates of Potato spindle tuber viroid
- T. Tsushima, S. Murakami, H. Ito, Y. - H. He, C. R. Adkar - Purushothama, T. Sano
- J . Gen . Plant Pathol .