Dyfyniad APA

Chen, H., Richard, M., Sandler, D. P., Umbach, D. M., & Kamel, F. (2007). Head Injury and Amyotrophic Lateral Sclerosis.

Dyfyniad Arddull Chicago

Chen, Honglei, Marie Richard, Dale P. Sandler, David M. Umbach, and Freya Kamel. Head Injury and Amyotrophic Lateral Sclerosis. 2007.

Dyfyniad MLA

Chen, Honglei, et al. Head Injury and Amyotrophic Lateral Sclerosis. 2007.

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