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2. The pulsed Doppler coronary artery catheter, preliminary report of a new technique for measuring rapid changes in coronary artery flow velocity in man;Cole, J.S.; Hartley, C.J.;Circulation,1977
3. Transluminal, subselective measurement of coronary artery blood flow velocity and vasodilator reserve in man;Wilson, R.F.; Laughlin, D.E.; Ackell, P.H.; Chilian, W.M.; Holida, M.D.; Hartley, C.J.; Armstrong, M.L.; Marcus, M.L.; White, C.W.;Circulation,1985
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