Abstract | Keywords | Export | Availability | Bookmark

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

Obstetrics - Research - United States. --- Gynecology --- Obstetrics --- Methods --- Research --- Specialties, Surgical --- Medicine --- Science --- Investigative Techniques --- Analytical, Diagnostic and Therapeutic Techniques and Equipment --- Health Occupations --- Natural Science Disciplines --- Disciplines and Occupations --- Research Design --- Health & Biological Sciences --- Gynecology & Obstetrics --- Planning --- Planning. --- Maternal-fetal medicine --- Gynaecology --- Generative organs, Female --- Diseases