00444nas a2200169   4500000000100000008004100001100001300042700001600055700001600071700001600087700001900103700001300122700001500135700001400150245009600164022001400260       2019                            d1 aA. Green1 aG. Shaddick1 aR. Charlton1 aJ. Snowball1 aA. Nightingale1 aC. Smith1 aW. Tillett1 aN. McHugh00aModifiable risk factors and the development of psoriatic arthritis in people with psoriasis  a0007-0963