a radioimmunoassay ( ria ) has been developed for the measurement of 2- [ n- [ ( s ) -1-ethoxycarbonyl-3-phenylpropyl ] -l-alanyl ] - ( 1s,3s,5s ) - 2-azabicyclo [ 3.3.0 ] octane-3-carboxylic acid ( ramipril , hoe 498 ) and its active metabolite ( diacid : hydrolysis product of ramipril ) in serum or plasma .
C0229671
serum
C0032105
plasma