you did not listen to me
所有跟贴·加跟贴·新语丝读书论坛
送交者: blackbox 于 2007-08-29, 10:39:34:
回答: 出乎意料的实验结果 - Smoothie 实验 由 湘女 于 2007-08-29, 08:16:01:
you don't have to do the RCT, but you need to have wash-out period between each test, also need to be consistant in the quantity of food.
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