DEFINING DISEASE-ACTIVITY IN ANKYLOSING-SPONDYLITIS (AS) - IS A COMBINATION OF VARIABLES (BATH AS DISEASE-ACTIVITY INDEX - BASDAI) AN APPROPRIATE INSTRUMENT
A. Calin et al., DEFINING DISEASE-ACTIVITY IN ANKYLOSING-SPONDYLITIS (AS) - IS A COMBINATION OF VARIABLES (BATH AS DISEASE-ACTIVITY INDEX - BASDAI) AN APPROPRIATE INSTRUMENT, Arthritis and rheumatism, 40(9), 1997, pp. 194-194