"Aangezichtspijn." . . "Douleur faciale Périodiques." . . "Synergy (Online service)" . . "Zeitschrift." . . "Electronic journals" . . "Pijn." . . "American Association for the Study of Headache." . . "American Headache Society." . . "Online-Publikation." . . "Hoofdpijn." . . "Cefalalgia Tratamiento." . . "HED" . . "Headache : the journal of head and face pain : official publication of the American Headache Society" . . . . "Journal of head & face pain" . . . . "Headache the journal of head and face pain" . "Headache the journal of head and face pain"@en . . . . . "Périodiques" . . "Headache (Online)"@en . . . . "Headache the journal of head & face pain" . . "Headache (En ligne)" . . . . "Revistes" . "Headache" . "Journal of head and face pain" . "Headache : the journal of head & face pain" . . "Headache journal of head and face pain" . . . . "Headache : the journal of head and face pain. (En ligne)" . "Headache (Ed. italiana)" . "Headache: the journal of head and face pain"@en . "Headache the journal of head and face pain : official publication of the American Headache Society" . . . . "Ressources Internet" . . . . . . . "Revistes electròniques" . . . "Periodicals" . "Periodicals"@en . . . . . . . . . "Electronic journals"@en . . . . . . "Headache The Journal of Head and Face Pain" . "Tijdschrift" . . . . "Périodique électronique (Descripteur de forme)" . . . . . "Ressource Internet (Descripteur de forme)" . . . . . . . . . "Headache : the journal of head and face pain" . . "EBSCO Publishing (Firm)" . . "Headache." . . . . "Douleur." . . "Gelaat." . . "Cefalàlgia." . . "Céphalée Périodiques." . . "American Association for the sturdy of headache." . . "Visage." . . "Pathologische fysiologie. Pathogenie." . . "Kopfschmerz." . . "Mal de tête." . . "céphalée [périodique]" . . "Neurologia Revistes." . . "Cefalàlgia Revistes." . . "American Society for the Study of Headache." . . "Neuropathologie." . . "Headache Periodicals." . . "Semiologie. Diagnostiek. Symptomatologie." . .