title: Letter: Digoxin tablets: a possible problem with biological availability.
mesh_terms: D000284:Administration, Oral; D001702:Biopharmaceutics; D004077:Digoxin / Q000008:administration & dosage / Q000592:standards*; D006801:Humans; D013607:Tablets; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D013607:Tablets; D004077:Digoxin