Khan, S Use of amino terminal type III procollagen peptide (P3NP) assay in methotrexate therapy for psoriasis. [electronic resource] - Postgraduate medical journal May 2006 - 353-4 p. digital Publication Type: Journal Article ISSN: 1469-0756 Standard No.: 10.1136/pgmj.2005.041533 doi Subjects--Topical Terms: AdultAgedDermatologic Agents--adverse effectsFemaleHumansLiver Cirrhosis--chemically inducedMaleMedical AuditMethotrexate--adverse effectsMiddle AgedPeptide Fragments--metabolismProcollagen--metabolismPsoriasis--drug therapy