Do most practices have an age-sex register?Br Med J (Clin Res Ed) 1985; 291 doi: https://doi.org/10.1136/bmj.291.6509.1650-a (Published 07 December 1985) Cite this as: Br Med J (Clin Res Ed) 1985;291:1650
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