Grant, I., Brown, G. W., Harris, T., McDonald, W. I., Patterson, T., & Trimble, M. R. (1989). Severely threatening events and marked life difficulties preceding onset or exacerbation of multiple sclerosis.
Styl cytowania ChicagoGrant, I., G W. Brown, T. Harris, W I. McDonald, T. Patterson, i M R. Trimble. Severely Threatening Events and Marked Life Difficulties Preceding Onset or Exacerbation of Multiple Sclerosis. 1989.
Styl cytowania MLAGrant, I., et al. Severely Threatening Events and Marked Life Difficulties Preceding Onset or Exacerbation of Multiple Sclerosis. 1989.
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