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Systolic Time Intervals and Calibrated Apexcardiogram in Normal Children (100 Cases). Influence of Age, Sex and Heart Rate.

MT VAZ,MC FONSECA,L SIMOES,I VASCONCELOS,MJ MACIEL, C CUNHA,C ABREULIMA,C RAMALHAO,M CERQUEIRAGOMES

PubMed（1988）

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