@article{232821,
      author = {Rashed, Selim. and Renkema Henk. and D'Astous, Joseée.  and Gray-Donald, Katherine. and Lambert, Jean.},
      url = {http://digitallibrary.un.org/record/232821},
      title = {Vitamin A deficiency and the prevalence of xerophthalmia  in southern Rwanda /},
      recid = {232821},
      address = {1996},
}