Παραπομπή APA

(1981). Multiple sclerosis in the Orkney and Shetland Islands and in north-east Scotland.

Παραπομπή Chicago Style

Multiple Sclerosis in the Orkney and Shetland Islands and in North-east Scotland. 1981.

Παραπομπή MLA

Multiple Sclerosis in the Orkney and Shetland Islands and in North-east Scotland. 1981.

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