一个婴儿好端端地躺在摇篮里或是床上,恬静地睡着了。然而,在大人不知不觉中,他的皮肤突然发紫,一点表示难受的哭声也没有,便停止呼吸,最后死亡。医院的各种尸检均提不出任何能说明突然死亡的原因。这种现象在世界各地都有发生,仅仅是发病率有所不同。西方国家的发病率过去为2-3,在香 A baby sleeps comfortably in a cradle or in a bed. However, in the adults unconsciously, his skin suddenly purple, a little uncomfortable crying did not stop breathing, and finally died. Various autopsies at the hospital did not give any explanation of the sudden death. This phenomenon occurs all over the world, only the incidence rate is different. The incidence of Western countries in the past 2-3, incense