libel: the written statement of a plaintiff explaining the cause of action (the defamation) and any relief he seeks
pleading: (law) a statement in legal and logical form stating something on behalf of a party to a legal proceeding
atenolol: an oral beta blocker (trade name Tenormin) used in treating hypertension and angina; has adverse side effects (depression and exacerbation of congestive heart failure etc.)