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From Dec. 1990 to Aug. 1991, 109 patients with NSCLC were randomized into two groups. The first was treated by hyperfractionated irradiation (HF) with 1.15 ∼ 1.25 Gy per fraction, twice daily (interval 6 hrs between fractions), and total doses of 69.6 ± 2.1 Gy. The other was conventional irradiation (CF) with 1.8 ∼ 2.0 Gy per fraction, once a day and total doses of 63.9 ± 1.1 Gy. All but 11 was...
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