Olav Wendelboe Nielsen, Jørgen Fischer Hansen, Jørgen Hilden, Carsten Toftager Larsen, Jens Svanegaard
Nielsen O W, Hansen J F, Hilden J, Larsen C T, Svanegaard J.
Risk assessment of left ventricular systolic dysfunction in primary care: cross sectional study evaluating a range of diagnostic tests
BMJ 2000; 320 :220
doi:10.1136/bmj.320.7229.220