Παραπομπή APA

Ashktorab, H., Hassanzadeh Namin, H., Taylor, T., Williams, C., Brim, H., Mellman, T., . . . Nouraie, M. (2013). Role of life events in the presence of colon polyps among African Americans. BioMed Central.

Παραπομπή Chicago Style

Ashktorab, Hassan, et al. Role of Life Events in the Presence of Colon Polyps Among African Americans. BioMed Central, 2013.

Παραπομπή MLA

Ashktorab, Hassan, et al. Role of Life Events in the Presence of Colon Polyps Among African Americans. BioMed Central, 2013.

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