SD rats were randomly assigned to five groups as follows: saline control group, D-galactose group, DHEA-treated normal group, vehicle control group and DHEA-treated senescent group.

衰老模型实验：SD大鼠随机分为对照组、D-半乳糖组、正常用药组、溶媒对照组和药物治疗组。

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Yesterday, for example, Senator Nunn (1) read a letter from Secretary of Defense William Perry sent on 15 December to Senate Minority Leader Tom Daschle (D-SD).

CENTERFORSECURITYPOLICY: Center for Security Policy | CLINTON��S DETERMINATION TO LEAVE AMERICA DEFENSELESS SHOULD DOOM START II

Thomas Daschle (D-SD) on C-Span saying they will fight for more money for farmers when they come back since they lost to a filibuster by the GOP last week.

CNN: John King: Bush vacation agenda

George McGovern (D-SD) made sure that, starting in 1972, delegates would be decided in primaries, not backroom deals, and that primaries not smoke-filled rooms would determine the nominee.

NPR: The Eagleton Fiasco of 1972