- E-bookA Handbook of Mitral Valve DiseaseAlok Ranjan
- E-bookA Handbook of Aortic Valve DiseaseAlok Ranjan
- E-bookA Handbook of Multivalvular and Prosthetic Valve DiseaseAlok Ranjan
- E-bookA Handbook of Tricuspid and Pulmonary Valve DiseaseAlok Ranjan
- E-bookA Handbook of Aortoarteritis and Ruptured Sinus of ValsalvaAlok Ranjan