Agriculture & Biology
heroin
100%
childhood
81%
pregnancy
49%
medical records
24%
cohort studies
22%
sexually transmitted diseases
22%
postnatal development
19%
fetal development
18%
placenta
17%
growth retardation
14%
growth and development
13%
Medicine & Life Sciences
Heroin Dependence
94%
Heroin
45%
Pregnancy
40%
Growth
33%
Mothers
25%
Neonatal Abstinence Syndrome
20%
Abruptio Placentae
18%
Fetal Growth Retardation
14%
Child Development
13%
Growth and Development
13%
Sexually Transmitted Diseases
13%
Medical Records
11%
Research Personnel
9%
Parturition
9%
Cohort Studies
9%
Child
5%
Social Sciences
pregnancy
57%
infant
56%
abuse
49%
childhood
45%
addiction
20%
Medical records
13%
withdrawal
10%
Earth & Environmental Sciences
pregnancy
73%
infant
71%
sexually transmitted disease
19%
effect
15%
growth and development
12%
woman
10%
anomaly
7%