RT Journal Article SR Electronic T1 The Measurement of Regional Ventilation in Man: A New Method of Quantitation JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 725 OP 732 VO 14 IS 10 A1 Roger H. Secker-Walker A1 Rexford I. Hill A1 Joanne Markham A1 James Baker A1 James Wilhelm A1 Philip O. Alderson A1 E. James Potchen YR 1973 UL http://jnm.snmjournals.org/content/14/10/725.abstract AB