Methods: In this pilot study, 58 patients, 33 with high-risk or advanced leukemia, were transplanted with cells from an HLA-haploidentical family donor with at least 1 of 6 loci mismatched.

方法：5 8例血液恶性肿瘤患者，33例为高危或难治复发白血病，接受了至少一个HLA位点不合的家庭供者造血干细胞移植。

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To begin testing this theory, we undertook a pilot study to qualitatively investigate the extent to which design consultancies are engaging in this activity.

开始测试这一理论，我们开展了试点研究，以探讨设计顾问均参与了这一活动定性的程度。

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So the authors used VB6.0 to make a pilot study in this field and solved the problem in drawing the ternary system or pseudo-ternary system isoline by computer.

本文以VB6.0为基础对三元系等值线的自动绘制进行了研究，解决了三元系及伪三元系中等值线的自动绘制问题。

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This reform drive was called into question last year, however, by a pilot study in Illinois.

ECONOMIST: A controversy over how to handle eyewitnesses