Correspondence
Origin of the third heart sound
Br Med J 1969; 4 doi: https://doi.org/10.1136/bmj.4.5674.49-b (Published 04 October 1969) Cite this as: Br Med J 1969;4:49
Article usage
Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.