Chang, S.S., Liu, C.M., Lin, S.H., Hwu, H.G., Hwang, T.J., Liu, S.K., Hsieh, M.H., Guo, S.C., and Chen, W.J., Impaired flush response to niacin skin patch among schizophrenia patients and their nonpsychotic relatives: the effect of genetic loading. Schizophrenia Bulletin, 2009. 35: 213-21.