Mortality of Bulgarian patients with primary and secondary Sjögren's syndrome.
Panchovska
M
M
Clinic of Rheumatology, Medical University, Plovdiv, Bulgaria. panchovska@abv.bg
Sheitanov
Y
Y
Uzunov
N
N
D002031:Bulgaria / Q000453:epidemiology; D006801:Humans; D008875:Middle Aged; D012859:Sjogren's Syndrome / Q000150:complications / Q000401:mortality*