Ritchlin, Christopher T Serious infections in patients with self-reported psoriatic arthritis from the Psoriasis Longitudinal Assessment and Registry (PSOLAR) treated with biologics. [electronic resource] - BMC rheumatology 2019 - 52 p. digital Publication Type: Journal Article ISSN: 2520-1026 Standard No.: 10.1186/s41927-019-0094-3 doi