1. Diagnostic and statistical manual of mental disorders;American Psychiatric Association,1980
2. Hydraulic formula for the calculation of the area of the stenotic mitral valve, other cardiac valves, and central circulatory shunts;Gorlin;Am Heart J,1951
3. Retrograde catheterisation of left atrium;Iskandrian;Br Heart J,1979
4. Left atrial catheterization;Verel,1978