1) Muder, R. R., Brennen, C. M., Wagener, M., Vickers, R. M., Rihs, J. D., Hancock, G. A., Yee, Y. C., Miller, J. M. and Yu, L.: Methicillin-resistant staphylococcal colonization and infection in a longterm facility. Ann. Intern. Med. 114: 107-111, 1991.