Journal of the American Pharmacists Association. Cambridge University Press.
Dyfyniad Arddull ChicagoJournal of the American Pharmacists Association. Cambridge University Press.
Dyfyniad MLAJournal of the American Pharmacists Association. Cambridge University Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.