Serum levels of5 - HT and tryptophan were significantly lower in patients with depression who had a recent suicide attempt than in those patients who had never attempted suicide.

血清5 -羟色胺与色氨酸浓度，最近有自杀意图病人比从未有自杀意图病人显著偏低。

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Our highly unscientific field study of fellow HT enthusiasts who crave really good audio shows that there are two camps -- those who say good things about Paradigm speakers and those who have never heard Paradigm speakers.

ENGADGET: Paradigm's Studio 60 v.5 5.1-channel speaker system gets a big thumbs up