@article{5072,
      author = {Schuman, Leonard M.,},
      url = {http://library.usi.edu/record/5072},
      title = {Research methodology and potential in community health and  preventive medicine /},
      publisher = {The Academy,},
      recid = {5072},
      pages = {p.[471]-808 ;},
      address = {New York :},
      year = {1963},
}