Lee, T. M. C., Liu, H. L., Hoosain, R., Liao, W. T., Wu, C. T., Yuen, K. S. L., Chan, C. C. H., Fox, P. T., & Gao, J. H. (2002). Gender differences in neural correlates of recognition of happy and sad faces in humans assessed by functional magnetic resonance imaging. Neuroscience Letters, 333, 13-16.