共 5 条
[2]
实用儿科放射诊断学[M]. 北京出版社 , 徐赛英主编, 1999
[4]
Trend in mortality from respiratory distress syadrome in the uinted states, 1970-1995. Kwang sun L,Babak K,Stepben NW,et al. The Journal of Pediatrics . 1999