Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitlePhenylbutazone Can Spuriously Elevate Unextracted Testosterone Assay Results in Patients with Ankylosing Spondylitis.AuthorsGiltay, Erik J.; Popp-Snijders, Corrie; van Denderen, J. Christiaan; van Schaardenburg, Dirkjan; Gooren, Louis J. G.; Dijkmans, Ben A.C.PublicationJournal of Clinical Endocrinology & Metabolism, 2000, Vol 85, Issue 12, p4923ISSN0021-972XPublication typeArticleDOI10.1210/jcem.85.12.7076-6