title: The enzymatic assay of plasma digitoxin levels.
mesh_terms: D000251:Adenosine Triphosphatases / Q000037:antagonists & inhibitors*; D000818:Animals; D001923:Brain Chemistry; D004796:Clinical Enzyme Tests; D004074:Digitoxin / Q000097:blood* / Q000494:pharmacology; D006801:Humans; D008722:Methods; D011188:Potassium; D012964:Sodium
chemical_list: D012964:Sodium; D004074:Digitoxin; D000251:Adenosine Triphosphatases; D011188:Potassium