Screening for Down's syndrome using serum alpha fetoprotein.Br Med J (Clin Res Ed) 1985; 291 doi: https://doi.org/10.1136/bmj.291.6491.349 (Published 03 August 1985) Cite this as: Br Med J (Clin Res Ed) 1985;291:349
Log in using your username and password
Log in through your institution
Register for a free trial to thebmj.com to receive unlimited access to all content on thebmj.com for 14 days.
Sign up for a free trial