RT Journal Article SR Electronic T1 A Comparative Study of Contrast Dacryocystogram and Nuclear Dacryocystogram JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 605 OP 608 VO 16 IS 7 A1 Tapan K. Chaudhuri A1 Gerald R. Saparoff A1 Kenneth D. Dolan A1 Tuhin K. Chaudhuri YR 1975 UL http://jnm.snmjournals.org/content/16/7/605.abstract AB