Chalder, T., Hotopf, M., Unwin, C., Hull, L., Ismail, K., David, A., & Wessely, S. (2001). Prevalence of Gulf war veterans who believe they have Gulf war syndrome: Questionnaire study. BMJ.
Citação norma ChicagoChalder, T., M. Hotopf, C. Unwin, L. Hull, K. Ismail, A. David, and S. Wessely. Prevalence of Gulf War Veterans Who Believe They Have Gulf War Syndrome: Questionnaire Study. BMJ, 2001.
MLA CitationChalder, T., et al. Prevalence of Gulf War Veterans Who Believe They Have Gulf War Syndrome: Questionnaire Study. BMJ, 2001.
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