RT Journal Article SR Electronic T1 Differences in Palmoplantar Pustulosis and Psoriasis Vulgaris in Patients with Rheumatoid Arthritis or Ankylosing Spondylitis Treated with Biological Therapy JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 117 OP 118 DO 10.3899/jrheum.180566 VO 46 IS 1 A1 RUWAARD, JILL A1 VAN DER VLUGT, EVA R. A1 WOLBINK, GERTJAN YR 2019 UL http://www.jrheum.org/content/46/1/117.abstract AB