@article{61450,
      recid = {61450},
      author = {Friedman, Herman,},
      title = {Immunological tolerance to microbial antigens.},
      publisher = {New York Academy of Sciences,},
      address = {[New York]},
      pages = {315 p. :},
      year = {1971},
      note = {Papers from a conference held by the Academy on September  28-30, 1970.},
      url = {http://library.usi.edu/record/61450},
}