Autor:	Bradford, Williamson Z., Koehler, Jane, El-Hajj, Hiyam, Hopewell, Philip C., Reingold, Arthur L., Agasino, Cristina B., Cave, M. Donald, Rane, Sangeeta, Yang, Zhenhua, Crane, Charles M., Small, Peter M.
Zdroj:	The Journal of Infectious Diseases, 1998 Apr 01. 177(4), 1104-1107.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/30108116 Zobrazit plný text záznamu