Brain tumors in children and adolescents and exposure to animals and farm life: a multicenter case-control study (CEFALO)

Jeppe Schultz Christensen, Laust Hvas Mortensen, Martin Röösli, Maria Feychting, Tore Tynes, Tina Veje Andersen, Lisbeth Samsø Schmidt, Aslak Harbo Poulsen, Denis Aydin, Claudia E Kuehni, Michaela Prochazka, Birgitta Lannering, Lars Klaeboe, Tone Eggen, Joachim Schüz