Ballenger, J. C., Davidson, J. R., Lecrubier, Y., Nutt, D. J., Lydiard, R. B., Mayer, E. A., & International Consensus Group on Depression and Anxiety, . (2001). Consensus statement on depression, anxiety, and functional gastrointestinal disorders. J Clin Psychiatry, 62 Suppl 8, 48–51.

Ballenger, J. C., J. R. Davidson, Y. Lecrubier, D. J. Nutt, R. B. Lydiard, E. A. Mayer, and E. A. International Consensus Group on Depression and Anxiety. “Consensus statement on depression, anxiety, and functional gastrointestinal disorders.” J Clin Psychiatry 62 Suppl 8 (2001): 48–51.

Ballenger JC, Davidson JR, Lecrubier Y, Nutt DJ, Lydiard RB, Mayer EA, et al. Consensus statement on depression, anxiety, and functional gastrointestinal disorders. J Clin Psychiatry. 2001;62 Suppl 8:48–51.

Ballenger, J. C., et al. “Consensus statement on depression, anxiety, and functional gastrointestinal disorders.” J Clin Psychiatry, vol. 62 Suppl 8, 2001, pp. 48–51.

Ballenger JC, Davidson JR, Lecrubier Y, Nutt DJ, Lydiard RB, Mayer EA, International Consensus Group on Depression and Anxiety. Consensus statement on depression, anxiety, and functional gastrointestinal disorders. J Clin Psychiatry. 2001;62 Suppl 8:48–51.