Added

Antiserum-A

Antiserum-B

Measured (ng/mL)

Mean ± S.D. (n = 7)

C.V. (%)

Recovery (%)

Measured (ng/mL)

Mean ± S.D. (n = 7)

C.V. (%)

Recovery (%)

Digitoxin (5 ng/mL) + Metabolites (each 0.5 ng/mL)

Digitoxin (10 ng/mL) + Metabolites (each 1 ng/mL)

Digitoxin (20 ng/mL) + Metabolites (each 2 ng/mL)

5.62 ± 0.41

11.1 ± 0.8

21.8 ± 1.8

7.3

7.2

8.3

112.4

111.0

109.0

9.18 ± 0.77

17.8 ± 1.4

35.2 ± 2.6

8.4

7.9

7.4

183.6

178.0

176.0