3Garg K,Welsh C H,Feyerabend A J,et al.Pulmonary embolism: diagnosis with spiral CT and ventilation-perfusion scanning-correlation with pulmonary angiographic results or clinical outcome[].Radiology.1998
4DruckerEA,RivitzSM,ShepardJA,et a1.Acute pulmonary embolitsm:assessment of helical CT for diagnosis[].Radbl.1998
6Stien PD,Henry JW.Prevalence of acute puplonary embolism among patients in a general hostital and at autopsy. Chest, 1995,108:978-981.
7Ghaye B, Szapiro D, Mastora I, et al.Peripheral pulmonary arteries:how for in the lung does mutli-detector row spiral CT allow anylysis? Radiology, 2001,219:629-636.
