Income disparities in healthcare use remain after controlling for healthcare need. Evidence from Swedish register data on psoriasis and psoriatic arthritis

Löfvendahl S, Jöud A, Petersson IF, Theander E, Svensson Å and Steen Carlsson K

The European Journal of Health Economic, 2018 Apr; 19(3): 447-462
DOI: 10.1007/s10198-017-0895-5