Pre-treatment serum vitamin D deficiency is associated with increased inflammatory biomarkers and short overall survival in patients with pancreatic cancer

Louise S Rasmussen, Mette K Yilmaz, Ursula G Falkmer, Laurids Ø Poulsen, Martin Bøgsted, Heidi S Christensen, Stig E Bojesen, Benny V Jensen, Inna M Chen, Astrid Z Johansen, Carsten P Hansen, Jane P Hasselby, Niels Holländer, Svend E Nielsen, Fahimeh Andersen, Jon K Bjerregaard, Per Pfeiffer, Julia S Johansen