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To assess the VSD type of TOF and relationship between VSD type of TOF and pulmonary valve
stenosis, small pulmonary valve annulus, and pulmonary artery anomaly, we analyzed 256 cases of
surgically confirmed TOF patients. The summary of observation is as follows;
1) Four tytes of VSDs were found. The most frequent is perimembranous (PM) VSD of which
incidence is 75.7% (159/210), second most... |
