(1998). Quality of life is rarely and poorly measured in randomised controlled trials. British Medical Journal.
Dyfyniad Arddull ChicagoQuality of Life Is Rarely and Poorly Measured in Randomised Controlled Trials. British Medical Journal, 1998.
Dyfyniad MLAQuality of Life Is Rarely and Poorly Measured in Randomised Controlled Trials. British Medical Journal, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.