Autor:	Mannino, David M., Homa, David M., Pertowski, Carol A., Ashizawa, Annette, Nixon, Leah L., Johnson, Carol A., Ball, Lauren B., Jack, Elizabeth, Kang, David S.
Zdroj:	Morbidity and Mortality Weekly Report: Surveillance Summaries, 1998 Apr . 47(SS-1), i-27.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/24676457 Zobrazit plný text záznamu