Leroux, Gaëlle Relationship between blood hydroxychloroquine and desethylchloroquine concentrations and cigarette smoking in treated patients with connective tissue diseases. [electronic resource] - Annals of the rheumatic diseases Nov 2007 - 1547-8 p. digital Publication Type: Letter ISSN: 0003-4967 Standard No.: 10.1136/ard.2007.072587 doi Subjects--Topical Terms: AdultAntirheumatic Agents--bloodChloroquine--analogs & derivativesConnective Tissue Diseases--bloodFemaleHumansHydroxychloroquine--bloodMaleMiddle AgedSmoking--blood