1. Bigeminismo;Benaros;Prensa méd. argent.,1933
2. Cecil's Textbook of Medicine;Stewart,1944
3. Bigeminy;Parsonnet;Am. Heart J.,1946
4. Atrionodal Rhythm With Ventricular Bigeminy;Miller;Am. Heart J.,1947
5. Observations Upon Disorders of the Heart's Action;Lewis;Heart,1912