Jones, J. C. (1949). Points from Letters: Procaine Penicillin in Children.
Dyfyniad Arddull ChicagoJones, J. C. Points From Letters: Procaine Penicillin in Children. 1949.
Dyfyniad MLAJones, J. C. Points From Letters: Procaine Penicillin in Children. 1949.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.