A Simple, Rapid125I Radioimmunoassay for the Detection of Barbiturates in Biological Fluids

Abstract
A radioimmunoassay using a 3H- or 125I-labeled morphine antigen has been shown to be of practical value for the rapid detection of nanogram amounts of morphine and morphine analogs in biological fluids [1–3]. A radioimmunoassay for detection of barbiturat