Research Article

Diagnosis of closed neural tube defects by ultrasound in second trimester of pregnancy.

Br Med J 1978; 2 doi: https://doi.org/10.1136/bmj.2.6142.931 (Published 30 September 1978) Cite this as: Br Med J 1978;2:931

This is a PDF-only article. The first page of the PDF of this article appears below.

PDF extract preview