@article{CTT100755295,
  author = {Yamamoto, N. and Ono, H. and Maeno, M. and Takano, T.},
  title = {Immunological classification of the extracellular proteinase in Lactobacillus helveticus.},
  journal = {Biosci. Biotechnol. Biochem.},
  year = 1998,
}