@book{22491,
  keywords = {leprosy, Sample surveys},
  author = {Sundaresan },
  title = {Sample survey in leprosy-an introductory manual},
  year = {1987},
  journal = {WHO/CDS/LEP 86.1},
  edition = {Unpublished},
  publisher = {World Health Organization},
  address = {Geneva},
  url = {http://apps.who.int/iris/bitstream/10665/58380/1/WHO_CDS_LEP_86.1.pdf},
  language = {eng},
}