Diederich, S.

renin assay plasma concentration nass-icma sample result 37 ° c incubation prorenin patient method renin concentrations room temperature value system antibody renin concentration plasma renin activity nd-irma measurement renin values pra assay advantage blood range individual 200 ␮ l plasma samples nichol serum hypertension hyperaldosteronism activity temperature study angiotensin plasma renin performance plasma renin concentration women specialty 50 ␮ l angiotensin i plasma renin content 10 min renin assay standardization interval angiotensinogen volume table comparison comeasurement detection sensitivity reference bruin derkx schalekamp 45 min chemistry diagnosis immunoradiometric assay contraceptive reference values variation department limit sample diluent hyperplasia corvol p derkx fh nicholls mg plasma pool artery stenosis sampling renin-angiotensin system renin measurement content