[Fluorescence polarization immunoassay, a new measuring technic in routine clinicochemical diagnosis of drug levels].

Experiences in the determination of drugs with the fluorescence polarization immunoassay; within-run precision, between-run precision and accuracy control in a time of one year. Discussion of this immunoassay in relation with the enzyme immunoassay, the radioimmunoassay and the nephelometric inhibition immunoassay.