Johnson, A. M. (1959). HYPERTROPHIC INFUNDIBULAR STENOSIS COMPLICATING SIMPLE PULMONARY VALVE STENOSIS.
Čikaški stil citiranjaJohnson, A. M. HYPERTROPHIC INFUNDIBULAR STENOSIS COMPLICATING SIMPLE PULMONARY VALVE STENOSIS. 1959.
MLA način citiranjaJohnson, A. M. HYPERTROPHIC INFUNDIBULAR STENOSIS COMPLICATING SIMPLE PULMONARY VALVE STENOSIS. 1959.
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