Research Article
Biochemical differences between amniotic fluid and maternal urine.
Br Med J 1977; 1 doi: https://doi.org/10.1136/bmj.1.6064.811-a (Published 26 March 1977) Cite this as: Br Med J 1977;1:811This is a PDF-only article. The first page of the PDF of this article appears above.