Παραπομπή APA

Chang, C. M., Warren, J. L., & Engels, E. A. (2012). Chronic fatigue syndrome and subsequent risk of cancer among elderly U.S. adults.

Παραπομπή Chicago Style

Chang, Cindy M., Joan. L. Warren, και Eric A. Engels. Chronic Fatigue Syndrome and Subsequent Risk of Cancer Among Elderly U.S. Adults. 2012.

Παραπομπή MLA

Chang, Cindy M., Joan. L. Warren, και Eric A. Engels. Chronic Fatigue Syndrome and Subsequent Risk of Cancer Among Elderly U.S. Adults. 2012.

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