RT Journal Article SR Electronic T1 Hydroxychloroquine-induced Hyperpigmentation JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1721 OP 1722 DO 10.3899/jrheum.200138 VO 47 IS 11 A1 Bajoghli, Amir A1 Hernandez, Gabriela A1 Cardis, Michael A. YR 2020 UL http://www.jrheum.org/content/47/11/1721.abstract AB