31.   In standard treatment, two of the drugs are used.

32.   It is perhaps best known for its heart-attack drug, Activase, or TPA, which has become the standard treatment for blood clots in heart patients.

33.   It became difficult to study the procedure, because many women wanted it and refused to enter a study in which they might be picked for the standard treatment.

34.   Many patients were also taking standard treatments like aspirin and blood-pressure drugs.

35.   Many patients agree, especially if they have been HIV-positive for many years and are slowly declining on standard treatments.

36.   Marcelo seems somewhat apologetic because that is not standard treatment of visitors to the small adobe refuge in sometimes inaccessible Chama Canyon.

37.   Most elderly heart attack patients are not candidates for standard treatments.

38.   Now they are warning eye doctors not to do the operation, which had been considered a standard treatment.

39.   Others have done no better than the standard treatment.

40.   Participants must have cancers that have not responded to conventional treatment, such as radiation or chemotherapy, or cancers for which no standard treatment exists beyond surgery.