共 16 条
[1]
AbouZahr C, 2000, B WORLD HEALTH ORGAN, V78, P655
[2]
[Anonymous], 1998, MMWR Recomm Rep, V47, P1
[4]
Centers for Disease Control and Prevention (CDC), 2001, MMWR Morb Mortal Wkly Rep, V50, P361
[6]
Unintended pregnancy in the United States
[J].
FAMILY PLANNING PERSPECTIVES,
1998, 30 (01)
:24-+
[8]
KORAN JM, 2001, AM J PUBLIC HEALTH, V91, P1060
[9]
ACTUAL CAUSES OF DEATH IN THE UNITED-STATES
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1993, 270 (18)
:2207-2212
[10]
Burden of disease Implications for future research
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
2001, 285 (05)
:535-539