RT Journal Article SR Electronic T1 An Unexpected Clotting Problem with I-125-Labeled Fibrinogen (Human) Sensor JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 563 OP 563 VO 19 IS 5 A1 Halpin, William W. A1 Marks, Daniel S. YR 1978 UL http://jnm.snmjournals.org/content/19/5/563.1.abstract AB