What is the usual abbreviation for ankylosing spondylitis?
Ankylosing spondylitis is usually abbreviated as AS.
SOURCE: Emory University - Department of Human Genetics in collaboration with ThinkGenetic • https://www.thinkgenetic.com/diseases/ankylosing-spondylitis/overview/7024 • DATE UPDATED: 2016-04-19
"Spondyloarthropathy, Susceptibility to 1;SPDA1." Online Mendelian Inheritance in Man. 9 Apr. 2015. Web. 20 Dec. 2015.