(2005). Incidence of neural tube defects is stable in Europe. BMJ Publishing Group Ltd.
Dyfyniad Arddull ChicagoIncidence of Neural Tube Defects Is Stable in Europe. BMJ Publishing Group Ltd, 2005.
Dyfyniad MLAIncidence of Neural Tube Defects Is Stable in Europe. BMJ Publishing Group Ltd, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.