Scott WilliamsNuclear MedicinePulmonary ReferencePULMREFScott WilliamsMay 30, 2007 Lensing AW, van Beek EJ, Demers C, et al. Ventilation-perfusion lung scanning and the diagnosis of pulmonary embolism: improvement of observer agreement by the use of a lung segment reference chart. Thrombosis & Haemostasis 1992; 68:245-9.Latest in Pulmonary ReferencePULMREFMay 30, 2007PULMREFMay 30, 2007SponsoredJoin Us June 26 at 12 Noon ET for a FREE webinar!June 12, 2025PULMREFMay 30, 2007