Jerry H Gurwitz, Terry S Field, Jerry Avorn, Danny McCormick, Shailavi Jain, Marie Eckler, Marcia Benser, Amy C Edmondson, David W Bates,
Incidence and preventability of adverse drug events in nursing homes The American Journal of Medicine. ,vol. 109, pp. 87- 94 ,(2000) ,
10.1016/S0002-9343(00)00451-4