| I. | 25 pts received 0 Gy radiation (control) |
| II. | 26 pts received 16 Gy radiation from 32P encapsulated in Nitinol wire. |
| III. | 27 pts received 20 Gy from a similar source |
| IV. | 27 pts receive 27 Gy from a similar source |
| All pts received aspirin for the duration of the study. Pts who received a stent received Ticlopidine for 4 weeks. | |
| Angiogram pre & after procedure & at 6 months. | |
| Total follow-up 12 months | |