Bailey DB, Raspa M, Bishop E, Mitra D, Wheeler A, Sacco P. Health and economic consequences of Fragile X syndrome for caregivers. J Dev Behav Pediatr. 2012 Nov 1;33(9):705-12.
Lillienberg L, Zock JP, Kromhout H, Plana E, Jarvis D, Toren K. A population-based study on welding exposures at work and respiratory symptoms. Ann Occup Hyg. 2008 Mar;52(2):107-15.