共 37 条
[6]
Relationship of education to the racial gap in neonatal and postneonatal mortality
[J].
ARCHIVES OF PEDIATRICS & ADOLESCENT MEDICINE,
1997, 151 (08)
:787-792
[9]
PSYCHOLOGICAL DISTRESS IN PREGNANCY AND PRETERM DELIVERY
[J].
BMJ-BRITISH MEDICAL JOURNAL,
1993, 307 (6898)
:234-239
[10]
Herman Allen A., 1996, Ethnicity and Disease, V6, P7