Singh, AG; Singh, S; Matteson, EL (March 2016). “Rate, risk factors and causes of mortality in patients with Sjögren's syndrome: a systematic review and meta-analysis of cohort studies.”. 《Rheumatology (Oxford, England)》 55 (3): 450–60. doi:10.1093/rheumatology/kev354. PMID26412810.
Singh, AG; Singh, S; Matteson, EL (March 2016). “Rate, risk factors and causes of mortality in patients with Sjögren's syndrome: a systematic review and meta-analysis of cohort studies.”. 《Rheumatology (Oxford, England)》 55 (3): 450–60. doi:10.1093/rheumatology/kev354. PMID26412810.