Occupational variation in the incidence of lip cancer in the Nordic countries. - Mroueh, Rayan; Carpén, Timo; Mäkitie, Antti; Hansen, Johnni; Heikkinen, Sanna; Lynge, Elsebeth; Martinsen, Jan Ivar; Selander, Jenny; Mehlum, Ingrid Sivesind; Torfadottir, Jóhanna Eyrún; Salo, Tuula; Pukkala, Eero (Acta Oncologica, 2023)