M. Blanda, L. Gerson, und K. Dunn. Academic emergency medicine : official journal of the Society for Academic Emergency Medicine, 6 (4):
286-91(April 1999)5804<m:linebreak></m:linebreak>LR: 20041117; JID: 9418450; ppublish;<m:linebreak></m:linebreak>Recursos/Organització; Formació.
K. Taylor, R. Margolese, und C. Soskolne. The New England journal of medicine, 310 (21):
1363-7(Mai 1984)5954<m:linebreak></m:linebreak>LR: 20071115; JID: 0255562; ppublish;<m:linebreak></m:linebreak>Intervenció/placebo.