Berg, S. van den

aureus children metyrapone test apnea index metyrapone infection apnea level protein index sleep-related breathing antibody metyrapone administration response serum breathing value 2330 h sleep-related syndrome prader-willi syndrome igg levels cortisol polysomnography administration skin infection multiplex aureus proteins vaccine patient lung infection difference aureus antibody assay aureus strain lac cortisol levels strain endocrinol prader-willi 20 children sao 2 staphylococcus van den berg study result netherland group metab assay death 5 weeks center verkaik stress acth response university aureus strains fl uorescence intensity increase antigen lind van wijngaarden mfi values toxin multiplex 1 change bacteraemia growth 0400 h sample condition antibody responses pbs –bn microsphere signi ficantly j med genet /liter aureus infections 50 μ l / journal signi beads