共 11 条
[7]
Antepartum, intrapartum, and neonatal significance of exercise on healthy low-risk pregnant working women[J] . Everett F Magann,Sharon F Evans,Beth Weitz,John Newnham.Obstetrics & Gynecology . 2002 (3)
[8]
Are there common triggers of preterm deliveries?
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
2001, 108 (06)
:598-604
[9]
Employment, exertion, and pregnancy outcome: Assessment by kilocalories expended each day[J] . Everett F. Magann,Sharon F. Evans,John P. Newnham.American Journal of Obstetrics and Gynecology . 1996 (1)
[10]
Physical Activity, Exercise, and Physical Fitness: Definitions and Distinctions for Health-Related Research[J] . Carl J. Caspersen,Kenneth E. Powell,Gregory M. Christenson.Public Health Reports (1974-) . 1985 (2)