Black, N., & Payne, M. (2002). Improving the use of clinical databases. BMJ.
Dyfyniad Arddull ChicagoBlack, Nick, and Mary Payne. Improving the Use of Clinical Databases. BMJ, 2002.
Dyfyniad MLABlack, Nick, and Mary Payne. Improving the Use of Clinical Databases. BMJ, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.