APA
Kwan Y. H., Aw F. F., Fong W., Phang J. K., Kiltz U., Lim K. K., Chew E. H., Lui N. L., Tan C. S., Thumboo J., Østbye T. & Leung Y. Y. (20200219). Validity and reliability of the Assessment of Spondyloarthritis International Society Health Index in English-speaking patients with axial spondyloarthritis in Singapore. : International journal of rheumatic diseases.
Chicago
Kwan Yu Heng, Aw Fang Fang, Fong Warren, Phang Jie Kie, Kiltz Uta, Lim Ka Keat, Chew Eng Hui, Lui Nai Lee, Tan Chuen Seng, Thumboo Julian, Østbye Truls and Leung Ying Ying. 20200219. Validity and reliability of the Assessment of Spondyloarthritis International Society Health Index in English-speaking patients with axial spondyloarthritis in Singapore. : International journal of rheumatic diseases.
Harvard
Kwan Y. H., Aw F. F., Fong W., Phang J. K., Kiltz U., Lim K. K., Chew E. H., Lui N. L., Tan C. S., Thumboo J., Østbye T. and Leung Y. Y. (20200219). Validity and reliability of the Assessment of Spondyloarthritis International Society Health Index in English-speaking patients with axial spondyloarthritis in Singapore. : International journal of rheumatic diseases.
MLA
Kwan Yu Heng, Aw Fang Fang, Fong Warren, Phang Jie Kie, Kiltz Uta, Lim Ka Keat, Chew Eng Hui, Lui Nai Lee, Tan Chuen Seng, Thumboo Julian, Østbye Truls and Leung Ying Ying. Validity and reliability of the Assessment of Spondyloarthritis International Society Health Index in English-speaking patients with axial spondyloarthritis in Singapore. : International journal of rheumatic diseases. 20200219.