典型苯丙酮尿症最主要的治疗方法是给予
A.低苯丙氨酸饮食B.酪氨酸C.四氢生物蝶呤D.5-羟色胺E.左旋多巴
参考答案:A
The first lab of experimental psychology was set up at university of Leipzig, Germany, in 1879. It announced the official birth of______.
请说明辩证与施护之间的联系?