@misc{indiciae3c95c6234192, title = {An objective feature extraction technique applied to the Doppler waveforms from the groin: a prospective study.}, author = {L Walton and T R Martin and M Collins and S B Sherriff and D C Barber}, year = {1983}, url = {https://pubmed.ncbi.nlm.nih.gov/6242525/}, note = {Source identifier: 6242525} }