Weekly Mortality Index. Centers for Disease Control & Prevention (CDC).
Dyfyniad Arddull ChicagoWeekly Mortality Index. Centers for Disease Control & Prevention (CDC).
Dyfyniad MLAWeekly Mortality Index. Centers for Disease Control & Prevention (CDC).
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.