1. Exercises in human physiology;Lewis,1945
2. The study of the pulse, arterial, venous and hepatic, and of the movements of the heart;Mackenzie,1902
3. Further observations on the third heart sound;Thayer;Arch. Int. Med.,1909
4. Some variations in the form of the venous pulse;Hirschfelder;Johns Hopkins Hosp. Bull.,1907
5. The venous pulse and its graphic recording;Groedel,1946