RT Journal Article SR Electronic T1 The Transition from Technegas to Pertechnegas JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 1917 OP 1918 VO 37 IS 11 A1 Burch, W.M. A1 Browitt, R.J. YR 1996 UL http://jnm.snmjournals.org/content/37/11/1917.abstract AB