On Dr. Billing's Valvular Explanation of the Heart-SoundsBr Med J 1877; 1 doi: https://doi.org/10.1136/bmj.1.854.580 (Published 12 May 1877) Cite this as: Br Med J 1877;1:580
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