Fig. 1

Spectrophotometry data of standard ARs and the liver specimen of a dog. Peak points of AR standards and sample specimens; standard coumatetralyl (No.1), standard warfarin (No.2), standard difenacoum (No.3), standard bromadiolone (No.4), liver sample (No.5) and stomach content sample (No.6). X - axis: optical density (OD). Y - axis: wavelength (nanometers)