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Summary of haemodynamic results over advanced developmental stages from HH13 to HH18 (n = 10 at each stage). (a) Peak V (mm s−1), (b) peak Q (mm3 s−1), (c) SV (mm3 beat−1) and (d) WSR (s−1) with maximum diameter (µm) displayed on the secondary y-axis. Average measures are shown at each stage with s.d.
