@article{222728,
      note = {Includes bibliographical references.},
      author = {Valdez, Carlos. and Mazariegos, Manolo. and Grazioso,  Carlos F. and Solomons, Noel W.},
      url = {http://digitallibrary.un.org/record/222728},
      title = {Prevalence of apparent and inapparent infections in  pre-school children in a peri-urban community of Guatemala  /},
      recid = {222728},
      address = {1996},
}