2First W H.Shattuck lecture:health care in the 21st century[J].N Engl J Med,2005,352(3):267-272.
3WEI Ran,YANG Zhi-min.Information Technology in Medicine and Education(ITME),2012 International synposium,Hokkaido August 3-5,2000[C].Piscataway:IEEE Press,2012:580-583.
4YY 0449—2003超声多普勒胎儿监护仪[S].
5CHOU C K,Bassen H,Osepchuk J,et al.Radio frequency electromagnetic exposure:tutorial review on experimental dosimetry[J].Bioelectromagnetics,1996,17(3):195-208.
6Garverick S L,Ghasemzadeh H,Zurcher M,et al.Wireless fetal monitoring device with provisions for multiple births[EB/OL].[2014-10-20].http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=5955307&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.js p%3Farnumber%3D5955307.
7Motika G,Prusty A.Wireless fetal heartbeat monitoring system using Zig Bee&IEEE 802.15.4 standard[EB/OL].[2014-10-20].http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=57349 04&url=http.
8Taylor J,Hayes-Gill B R,Crowe J A.Towards multi-patient leadless and wireless cardiotocography via RF telemetry[J].Med Eng Phys,1998,20(10):764-772.