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| Abruptio Placentae (1) |
| Adult (1) |
| adult (1) |
| Apgar score (1) |
| article (1) |
| birth weight (1) |
| cigarette smoking (1) |
| controlled study (1) |
| Female (1) |
| female (1) |
| human (1) |
| Humans (1) |
| major clinical study (1) |
| Obstetric Labor, Premature (1) |
| Pregnancy (1) |
| pregnancy complication (1) |
| premature labor (1) |
| prevalence (1) |
| priority journal (1) |
| risk (1) |
| Risk Factors (1) |
| Smoking (1) |
| Socioeconomic Factors (1) |
| solutio placentae (1) |