1HE J,GU D,WU X,et al.Major causes of death among men and women in China[J].N Engl J Med,2005,353(11):1124-1134.
2XIAO Y,XIAO S,CAO Z,et al.The phonocardiogram exercise test[J].IEEE Eng Med Biol Mag,1999,18(4):111-115.
3MOOLMAN J A.Thyroid hormone and the heart[J].Cardiovasc J S Afr,2002,13(4):159-163.
4COOKE G A,MARSHALL P,AL-TIMMAN J K,et al.Physiological cardiac reserve:development of a non-invasive method and first estimates in man[J].Heart,1998,79(3):289-294.
5LEUNG S K,LAU C P,LAM C T,et al.Automatic optimization of resting and exercise atrioventricular interval using a peak endocardial acceleration sensor:validation with Doppler echocardiography and direct cardiac output measurements[J].Pacing Clin Electrophysiol,2000,23(11 Pt 2):1762-1766.
6HANSEN P B,LUISADA A A,Miletich D J,et al.Phonocardiography as a monitor of cardiac performance during anesthesia[J].Anesth Analg,1989,68(3):385-387.
7DURAND L G,LANGLOIS Y E,LANTHIER T,et al.Spectral analysis and acoustic transmission of mitral and aortic valve closure sounds in dogs.Part 1.Modelling the heart/thorax acoustic system[J].Med Biol Eng Comput,1990,28(4):269-277.
8XIAO S,GUO X,SUN X,et al.A relative value method for measuring and evaluating cardiac reserve[J].Biomed Eng OnLine,2002,1(1):6.
9XIAO S,CAI S,LIU G.Studying the significance of cardiac contractility variability[J].IEEE Eng Med Biol Mag,2000,19(3):102-105.
10XIAO S,WANG Z,HU D.Studying cardiac contractility change trend to evaluate cardiac reserve[J].IEEE Eng Med Biol Mag,2002,21(1):74-76.
6Bergmann RL, Richter R, Bergmann KE,et al. Prevalence and risk factors for early postpartum anemia[ J]. Eur J Obst Gynecol Reprod Biol,2010,150 ( 2 ) : 126.
7Zhang Q, Ananth CV, Rhoads GG, et al. The impact of mat- enal anemia on perinatal mortality: a population-based, prospective cohort study in china [ J]. Ann Epidemiol, 2009,19(11) :793.
8黄荷风.高危妊娠[M].北京:人民军医出版社,2003.462.
9Stramba BM, Prior1 SG. Current strategies to diminish the im- pact of cardiovascular diseases in women [ J] . Rev Esp Cardi- ol, 2006, 59 (11) : 1190-1193.
10Xiao SZ, Guo XM, Sun XB, et al. A relative value method for measuring and evaluating cardiac reserve [J] . Biol Medi- cal Engineering, 2002, 1 : 6 - 9.