Is IL-1β Further Evidence for the Role of Propionibacterium acnes in Degenerative Disc Disease? Lessons From the Study of the Inflammatory Skin Condition Acne Vulgaris oleh Ondrej Slaby, Andrew McDowell, Holger Brüggemann, Assaf Raz, Sibel Demir-Deviren, Tony Freemont, Peter Lambert, Manu N. Capoor, Manu N. Capoor