权威例句
Obstetric complications and schizophrenia: a meta-analysis.
Obstetric outcome of 424 pregnancies after intracytoplasmic sperm injection
Obstetric outcome of 904 pregnancies after intracytoplasmic sperm injection
Obstetric complications and schizophrenia: historical and meta-analytic review.
Obesity, obstetric complications and cesarean delivery rate--a population-based screening study.
Anesthesia-related deaths during obstetric delivery in the United States, 1979-1990.
The aspiration of stomach contents into the lungs during obstetric anesthesia.
Obstetric outcomes after conservative treatment for intraepithelial or early invasive cervical lesions: systematic review and meta-a...
Incidence and predictors of severe obstetric morbidity: case-control studyCommentary: Obstetric morbidity data and the need to evalu...
The prevalence and biologic significance of lupus anticoagulant and anticardiolipin antibodies in a general obstetric population.