| 6222 | Nephelometric Inhibition Immunoassay, Phenobarbital | Phenobarbital Test System. |
| 6222 | Nephelometric Inhibition Immunoassay, Phenobarbital | Phenobarbital Test System. |
| K934388 | QMS PHENOBARBITAL | SERADYN, INC. |
| K864612 | DART PHENOBARBITAL ASSAY SYSTEM | COULTER ELECTRONICS, INC. |
| K821543 | IPA FOR DETECTION OF PHENOBARBITAL | ELECTRO-NUCLEONICS LABORATORIES, INC. |
| 15099590221287 | Nephelometric Inhibition Immunoassay, Phenobarbital |