00416nas a2200157   4500000000100000000000100001008004100002100001800043700002000061700001700081700002500098700001600123245009900139490000600238022001400244       2021                            d1 aS. Crossfield1 aH. Marzo-Ortega1 aS. Kingsbury1 aM. Pujades-Rodriguez1 aP. Conaghan00aChanges in ankylosing spondylitis incidence, prevalence and time to diagnosis over two decades0 v7  a2056-5933