RT Journal Article SR Electronic T1 Quantitative Evaluation of Salivary Gland Scintigraphy in Sjögren's Syndrome JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 64 OP 69 VO 40 IS 1 A1 Isao Umehara A1 Ichiro Yamada A1 Yuji Murata A1 Yuzo Takahashi A1 Norihiko Okada A1 Hitoshi Shibuya YR 1999 UL http://jnm.snmjournals.org/content/40/1/64.abstract AB