Gastrointestinal Illness on Passenger Cruise Ships, 1975-1978.

Autor:	Dannenberg, Andrew L., Yashuk, John C.1, Feldman, Roger A.2
Zdroj:	American Journal of Public Health. May82, Vol. 72 Issue 5, p484. 5p.
Databáze:	Business Source Ultimate
Externí odkaz:	Zobrazit plný text záznamu