Dyfyniad APA

Cohen, S. I. (1994). Persistent post-traumatic stress disorder. Role of alcohol ignored. BMJ Group.

Dyfyniad Arddull Chicago

Cohen, S. I. Persistent Post-traumatic Stress Disorder. Role of Alcohol Ignored. BMJ Group, 1994.

Dyfyniad MLA

Cohen, S. I. Persistent Post-traumatic Stress Disorder. Role of Alcohol Ignored. BMJ Group, 1994.

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