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- 618.047543 2
- Diagnosis, Ultrasonic -- Periodicals 2
- Generative organs, Female -- Diseases -- Diagnosis -- Periodicals 2
- Genital Diseases, Female -- ultrasonography -- Periodicals 2
- Ultrasonics in obstetrics -- Periodicals 2
- Ultrasonography, Prenatal -- Periodicals 2
- fetal surgery -- fetoscopy -- learning curve -- meta‐analysis -- myelomeningocele -- open fetal surgery -- spina bifida -- systematic review 1