Maybury, C M Methotrexate and liver fibrosis in people with psoriasis: a systematic review of observational studies. [electronic resource] - The British journal of dermatology Jul 2014 - 17-29 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review; Systematic Review ISSN: 1365-2133 Standard No.: 10.1111/bjd.12941 doi Subjects--Topical Terms: ComorbidityDermatologic Agents--adverse effectsHumansLiver Cirrhosis--chemically inducedMethotrexate--adverse effectsObservational Studies as TopicPrognosisPsoriasis--drug therapyPublication BiasSelection Bias