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| Study | Comparison | Rx 1 | Rx 2/control |
| Brecher 1997 | Prespecified duration (1) versus duration determined by clinical response (2). | 81 | 89 |
| Patte 1991 | Long‐duration chemotherapy (1) versus short‐duration chemotherapy (2). | 87 | 89 |
| Olweny 1976 | Irradiation (1) versus no treatment (2). | 83 | 84 |
