RT Journal Article SR Electronic T1 Computation of Ventilation-Perfusion Ratio with Kr-81m in Pulmonary Embolism JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 149 OP 155 VO 25 IS 2 A1 Meignan, Michel A1 Simonneau, Gérald A1 Oliveira, Luis A1 Harf, Alain A1 Cinotti, Luc A1 Cavellier, Jean-François A1 Duroux, Pierre A1 Ansquer, Jean-Claude A1 Galle, Pierre YR 1984 UL http://jnm.snmjournals.org/content/25/2/149.abstract AB