| Relationships | Role | Relationship Start | Relationship End |
| Ampal Industries, Inc. | Parent | 6/1/1983 | 11/10/1988 |
| International Diagnostic Laboratories, Inc. | Subsidary | 6/1/1983 | 11/10/1988 |
| Relationships | Role | Relationship Start | Relationship End |
| Ampal Industries, Inc. | Parent | 6/1/1983 | 11/10/1988 |
| International Diagnostic Laboratories, Inc. | Subsidary | 6/1/1983 | 11/10/1988 |