Brandi, M.L.

study fracture tumor department university lrp 5 association polymorphism carcinoid patient bone mineral density effect jensen rt lrp 6 variants variant syndrome population women osteoporosis disease erasmus mc carcinoid tumors hospital gastrinoma jensen fracture risk allele analyses lrp 5 variants analysis femoral neck bmd haplotype zollinger-ellison syndrome medicine duodenum somatostatin receptor scintigraphy protein metastase rotterdam result radiographic doppman jl spine bmd density mineral documentation 1330val 667met ©2008 american somatostatin spine difference individual-level data 1062val val 1330 allele endoscopic model carcinoma cohort surgery individual erasmu ratio method variation bone mass lymph node metastases adjustment inverse-variance random-effects analysis femoral resection gastroenterology somatostatinoma questionnaire neuroendocrine american lrp 5 haplotypes zollinger-ellison outcome peak bone mass