@article{,
      note = {Distributed to some depository libraries in microfiche.},
      url = {http://library.usi.edu/record/174647},
      title = {Childhood immunizations : hearing before the Subcommittee  on Health and the Environment of the Committee on Energy  and Commerce, House of Representatives, One Hundred First  Congress, first session, May 22, 1989.},
      publisher = {U.S. G.P.O. :},
      number = {Serial no. 101-33 (United States. Congress. House.  Committee on Energy and Commerce)},
      recid = {174647},
      pages = {iii, 66 p. :},
      address = {Washington :},
      year = {1989},
}