- Rheumatic manifestations of cocaine useJonathan Graf
Department of Medicine University of California San Francisco, Division of Rheumatology, San Francisco General Hospital, San Francisco, California 94110, USA
Curr Opin Rheumatol 25:50-5. 2013..Cocaine use is associated with several rheumatic syndromes. This review summarizes these clinical manifestations and highlights recent developments linked to levamisole-adulterated cocaine...
- Purpura, cutaneous necrosis, and antineutrophil cytoplasmic antibodies associated with levamisole-adulterated cocaineJonathan Graf
University of California, San Francisco, California 94143, USA
Arthritis Rheum 63:3998-4001. 2011..To describe the clinical and serologic abnormalities in 6 patients who presented with retiform purpura and extensive cutaneous necrosis after exposure to levamisole-adulterated cocaine...
- Detection of levamisole exposure in cocaine users by liquid chromatography-tandem mass spectrometryKara L Lynch
Department of Laboratory Medicine, University of California San Francisco, San Francisco, California 94110, USA
J Anal Toxicol 35:176-8. 2011..The high prevalence of levamisole-adulterated cocaine and potential toxicity in cocaine users is a serious public health concern. These findings validate the utility of an LC-MS-MS method for the detection of levamisole...