|  | Adelphi Group
|
|  | Adis International
|
|  | CoMed Communications
|
|  | Cortex Communications, Inc. - USA
|
|  | Gardiner-Caldwell Communications Ltd.
|
|  | MediTech Media Ltd.
|
|  | Pharmaceutical Information Associates (PIA Ltd)
|
|  | PJB Publications
|
|  | PPS Europe Ltd - International
|
|  | Scientific Therapeutics Information, Inc. - International
|
|  | TOSOTO Ltd
|