Cite
MLA Citation
C Harris et al.. “"Fixed" splitting of the second heart sound in ventricular septal defect..” Heart, vol. 33, no. 4, 1971, pp. 428–431. http://access.bl.uk/ark:/81055/vdc_100143574357.0x00003b
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C Harris et al.. “"Fixed" splitting of the second heart sound in ventricular septal defect..” Heart, vol. 33, no. 4, 1971, pp. 428–431. http://access.bl.uk/ark:/81055/vdc_100143574357.0x00003b