Nord, E. (1999). Cost-value analysis in health care: Making sense out of QALYs. New York: Cambridge University Press.
Dyfyniad Arddull ChicagoNord, Erik. Cost-value Analysis in Health Care: Making Sense Out of QALYs. New York: Cambridge University Press, 1999.
Dyfyniad MLANord, Erik. Cost-value Analysis in Health Care: Making Sense Out of QALYs. New York: Cambridge University Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.