| 532 | Ion-exchange Resin, Ehrlich's Reagent, Porphobilinogen | Porphobilinogen Test System. |
| 532 | Ion-exchange Resin, Ehrlich's Reagent, Porphobilinogen | Porphobilinogen Test System. |
| K961984 | PORPHOBILINOGEN (PBG) | TRACE AMERICA, INC. |
| 10673486001006 | Ion-Exchange Resin, Ehrlich'S Reagent, Porphobilinogen |