The relationship between headache and religious attendance (the Nord-Trøndelag health study-HUNT)
Tronvik, Erling; Sørensen, Torgeir; Linde, Mattias; Bendtsen, Lars; Artto, Ville; Laurell, Katarina; Kallela, Mikko; Zwart, John-Anker; Hagen, Knut
Peer reviewed, Journal article
Published version
