Philadelphia Sciences Group

year of pub­li­ca­ti­onISBNauthor(s)title
1988978-0-924236-00-6B. Wallace · J. LaskerAIDS 88 Summary: A Practical Synopsis of the IV International Conference
1989978-0-924236-01-3B. Wallace · J. LaskerAIDS Summary: In-Depth Review and Update
  ''978-0-924236-02-0J Lasker · B. WallaceAIDS 89 Summary: A Practical Synopsis of the V International Conference: June 4-9, 1989 Montreal
1992978-0-924236-05-1AIDS 91 Summary
  ''978-0-924236-07-5J. Lasker · B. WallaceAIDS 91 Summary: A Practical Synopsis of the VII International Conference: June 16-21, 1991, Florence (Aids Summary)