Jindal, NAggarwal, A2008-04-012009-05-282008-04-012009-05-282008-04-01Jindal N, Aggarwal A. Prevalence of syphilis and biological false positive reactions in VDRL test among injecting drug users: a preliminary study. Indian Journal of Medical Microbiology. 2008 Apr-Jun; 26(2): 199-200http://imsear.searo.who.int/handle/123456789/53621engCardiolipins --bloodCholesterol --bloodFalse Positive ReactionsHumansPhosphatidylcholines --bloodPrevalenceSubstance Abuse, IntravenousSyphilis --epidemiologyPrevalence of syphilis and biological false positive reactions in VDRL test among injecting drug users: a preliminary study.Letter