TY - JOUR AN - 20 AU - Hull,R.D. AU - Hirsh,J. AU - Carter,C.J. TI - Pulmonary angiography, ventilation lung scanning, and venography for clinically suspected pulmonary embolism with abnormal perfusion lung scan JO - Ann Intern Med PY - 1983 VL - 98 SP - 891-899 M2 - 891 DO - 10.7326/0003-4819-98-6-891 ER -