@article{,
      note = {Distributed to some depository libraries in microfiche.},
      url = {http://library.usi.edu/record/174741},
      title = {Childhood immunization program : hearing before the  Subcommittee on Health and the Environment of the Committee  on Energy and Commerce, House of Representatives, One  hundredth Congress, first session, March 11, 1987.},
      publisher = {U.S. G.P.O. :},
      number = {Serial no. 100-31 (United States. Congress. House.  Committee on Energy and Commerce)},
      recid = {174741},
      pages = {iii, 46 p. :},
      address = {Washington :},
      year = {1987},
}