Cite
MLA Citation
M K Lim et al.. “Variability of the Doppler gradient in pulmonary valve stenosis before and after balloon dilatation..” Heart, vol. 62, no. 3, 1989, pp. 212–216. http://access.bl.uk/ark:/81055/vdc_100143577265.0x000043
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M K Lim et al.. “Variability of the Doppler gradient in pulmonary valve stenosis before and after balloon dilatation..” Heart, vol. 62, no. 3, 1989, pp. 212–216. http://access.bl.uk/ark:/81055/vdc_100143577265.0x000043