@article{article687ce1a2,
title   = {Effects of changing blood viscosity and heart rate on vena contracta width as evaluated by color doppler flow mapping: an in vitro study with a pulsatile flow model},
author = {Schmidt, André and Silva Júnior, Telêmaco da and Pazin-Filho, Antônio and Murta Júnior, Luiz Otávio and Almeida-Filho, Oswaldo César and Gallo Júnior, Lourenço and Marin-Neto, José Antônio and Maciel, Benedito Carlos},
year = {2008},
journal   = {Echocardiography}
}