Aseptic meningitis as an initial manifestation of primary Sjögren's syndrome. - Higashida-Konishi, Misako; Akiyama, Mitsuhiro; Shimada, Tatsuya; Hama, Satoshi; Oshige, Tatsuhiro; Izumi, Keisuke; Oshima, Hisaji; Okano, Yutaka (Modern Rheumatology Case Reports, 2023)