共 28 条
[1]
ADAMS MM, 1993, OBSTET GYNECOL, V81, P65
[2]
Alexander G R, 1994, J Perinatol, V14, P259
[3]
[Anonymous], 1974, Introduction to the Theory of Statistics
[6]
Bugg GJ, 2002, BJOG-INT J OBSTET GY, V109, P249
[7]
THE QUALITY OF ROUTINELY COLLECTED MATERNITY DATA
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1994, 101 (12)
:1042-1047
[8]
COX D. R., 2000, Theoretical Statistics
[9]
CROWLEY P, 2002, COCHRANE LIB
[10]
DIFFERENCES IN DURATION OF PREGNANCY - NEGRO AND WHITE WOMEN OF LOW SOCIOECONOMIC CLASS
[J].
ARCHIVES OF ENVIRONMENTAL HEALTH,
1967, 14 (06)
:904-+