1. A XII century description of congestive heart failure;Lutz;Am J Cardiol,1988
2. A historical review of heart failure;Nolan;Scot Med J,1993
3. The Valsalva maneuver and response revisited;Nishimura;Mayo Clin Proc,1986
4. An historical sketch of the Valsalva experiment;Dawson;Bull Hist Med,1943
5. The Valsalva manoeuvre and Antonio Valsalva (1666-1723);Jellinek;J R Soc Med,2006