@misc{516801,
  author = {Michael Welch and C.C. Allgood and Lorna Sniegoski and Willie May},
  title = {Development of Methods and Standards for the Analysis of Human Hair for Drugs of Abuse},
  year = {1991},
  month = {1991-12-01 00:12:00},
  publisher = {NIDA Monograph on Hair Analysis for Drugs of Abuse},
  language = {en},
}