They used this and other HIV-1 genetic sequences to construct a family tree of the origin of the viral strain and to estimate the time of origin of HIV-1 group m.
他们利用这个遗传序列与其他HIV - 1的遗传序列构建出起源病毒株的家系图，并以此估算出HIV - 1 M组的起源时间。
Group (m) core This is a mandatory variable.
group (m)core这是一个必选变量。
Results:As compared with those of Group M, both CIA rat ankle diameter and arthritis index improved(P<0.05).
结果：与M组相比，CIA大鼠关节直径、关节炎指数评分均有改善（P<0.05）；
Methods:60 cases of congenital heart disease were divided into control group(C), modified ultrafiltration group(M)and balanced ultrafiltration with modified ultrafihration group(U).
方法：60例先天性心脏病患儿随机分为对照组（C）、改良超滤组（M）和平衡超滤联合改良超滤组（U）。
Methods 60 cases with congenital heart disease were divided into control group (c), modified ultrafiltration group (m) and balanced ultrafiltration with modified ultrafiltration group (u).
方法60例先天性心脏病患儿分为对照组(C)、改良超滤组(M)和平衡超滤联合改良超滤组(U)。
Randomly, rats were grouped into control group (c), simple stress group (m), intervention group (t).
动物按体重随机分组，分为对照组(C)，单纯应激组(M)，干预组(T)。
Method: 60 cases with congenital heart disease were divided into control group (c), modified ultrafiltration group (m) and balanced ultrafiltration with modified ultrafiltration group (u).
方法：60例先天性心脏病患儿分为对照组(C)、改良超滤组(M)和平衡超滤联合改良超滤组(U)。
Marks and Spencer Group (M&S) is a retailer of clothing, foods and Homeware.
玛莎百货是一家集服装，食品和家庭用品于一身的零售集团。
Marks and Spencer Group (M&S) is a retailer of clothing, foods and Homeware.
玛莎百货是一家集服装，食品和家庭用品于一身的零售集团。
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