World Health Organization. (2012). Persisting pain in children: Important information for pharmacists. World Health Organization.
Dyfyniad Arddull ChicagoWorld Health Organization. Persisting Pain in Children: Important Information for Pharmacists. Geneva, Switzerland: World Health Organization, 2012.
Dyfyniad MLAWorld Health Organization. Persisting Pain in Children: Important Information for Pharmacists. World Health Organization, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.