BERGQUIST E., BERGQVIST D., BRONGE A., DAHLGREN S., & HALLBÖÖK T. (1973). Diagnosis of Venous Thrombosis in the Lower Limbs: A Comparative Study between 125I-fibrinogen Test, Strain Gauge Plethysmography and Phlebography. Upsala Journal of Medical Sciences, 78(3), 191-199. https://doi.org/10.3109/03009737309178627