Major osteoporotic fracture risk following bariatric surgery: a self-controlled case series including 5,492 people from the UK CPRD and linked HES databases - Robinson, DE; Douglas, I; Tan, GD; Cooper, C; Delmestri, A; Javaid, MK; Judge, A; Strauss, VY; Prieto Alhambra, D (Springer, 2019)