%0 Journal Article %T Monitoring free digoxin instead of total digoxin in patients with congestive heart failure and high concentrations of digoxin-like immunoreactive substances %A Dasgupta,, A %A Saldana,, S %A Heimann,, P %J Clinical Chemistry %V 36 %N 12 %P 2121-2123 %@ 0009-9147 %D 1990-12-01 %I Oxford Academic %~ DeepDyve