Autor:	Cope, Leslie D., Lumbley, Sheryl, Latimer, Jo L., Klesney-Tait, Julia, Stevens, Marla K., Johnson, Linda S., Purven, Maria, Munson, Robert S., Lagergard, Teresa, Radolf, Justin D., Hansen, Eric J.
Zdroj:	Proceedings of the National Academy of Sciences of the United States of America, 1997 Apr . 94(8), 4056-4061.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/41955 Zobrazit plný text záznamu