There are different drugs used in the treatment of rheumatoid arthritis. Some are used primarily to ease the symptoms of RA; others are used to slow or stop the course of the disease and to inhibit structural damage.
In United States v. Felton, the court, after extensively. comparing the two indictments, concluded that under the same evidence test. or the totality of circumstances test, the government failed to establish sepa-. rate conspiracies.
As indicated by the quote from Perry v. Banno above, a more stringent evidentiary burden is placed on the defendant in cases involving causes internal to the defendant (inevitable accident) than in cases involving causes external to the defendant (defence of explanation).