RT Journal Article SR Electronic T1 Clinical and immunological factors associated with low lacrimal and salivary flow rate in patients with primary Sjögren's syndrome. JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 206 OP 207 VO 30 IS 1 A1 Pijpe, Justin A1 Kalk, Wouter W I A1 Vissink, Arjan YR 2003 UL http://www.jrheum.org/content/30/1/206.abstract AB