Cite
MLA Citation
W H Herbert. “Hydrogen-detected ventricular septal defects..” Heart, vol. 31, no. 6, 1969, pp. 766–769. http://access.bl.uk/ark:/81055/vdc_100143574152.0x00003a
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W H Herbert. “Hydrogen-detected ventricular septal defects..” Heart, vol. 31, no. 6, 1969, pp. 766–769. http://access.bl.uk/ark:/81055/vdc_100143574152.0x00003a