Guideline for Ventilation/Perfusion Single-photon Emission Computed Tomography (SPECT) for Diagnosis of Pulmonary Embolism and Beyond 25 Aug, 2019 | 13:42h | UTC EANM guideline for ventilation/perfusion single-photon emission computed tomography (SPECT) for diagnosis of pulmonary embolism and beyond – European Journal of Nuclear Medicine and Molecular Imaging (free)