- Thalidomide in low intermittent doses does not prevent recurrence of human immunodeficiency virus-associated aphthous ulcers. Jacobson, J.M., Greenspan, J.S., Spritzler, J., Fox, L., Fahey, J.L., Jackson, J.B., Chernoff, M., Wohl, D.A., Pulvirenti, J.J., Hooton, T.M., Shikuma, C. J. Infect. Dis. (2001)