. "10.1111/J.1526-4610.1981.HED2101025.X" . "7461968" . . . "Classification of migraine and tension headache from a survey of 10,000 headache diaries"@en . "M J Cohen" . . "wetenschappelijk artikel"@nl . "artikull shkencor i botuar m\u00EB 01 janar 1981"@sq . "Classification of migraine and tension headache from a survey of 10,000 headache diaries"@en . "scientific article published on 01 January 1981"@en . "Classification of migraine and tension headache from a survey of 10,000 headache diaries"@nl . "21" . "1981-01-01T00:00:00Z"^^ . . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u0441\u0456\u0447\u043D\u0456 1981"@uk . . "25-29" . . . "Classification of migraine and tension headache from a survey of 10,000 headache diaries"@nl . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en xineru de 1981"@ast . . . . "1" . "Classification of migraine and tension headache from a survey of 10,000 headache diaries"@en . . . . "Classification of migraine and tension headache from a survey of 10,000 headache diaries"@nl . . . "Classification of migraine and tension headache from a survey of 10,000 headache diaries"@en . "D L McArthur" . . . . . . .