Spencer Pr

year of pub­li­ca­ti­onISBNauthor(s)title
1997978-0-9650708-0-5Derek S., M.D. Lipman · Dered S. LipmanSnoring from A to ZZzz: Proven Cures for the Night's Worst Nuisance
  ''978-0-9650708-1-2Derek S., M.D. LipmanSnoring from A to ZZzz: Proven Cures for the Night's Worst Nuisance
2002978-0-9650708-2-9Derek S. LipmanSnoring From A to ZZZZ: Proven Cures for the Night's Worst Nuisance