World Health Organization. (2012). Persisting pain in children: Important information for physicians and nurses. World Health Organization.
Citación estilo ChicagoWorld Health Organization. Persisting Pain in Children: Important Information for Physicians and Nurses. Geneva, Switzerland: World Health Organization, 2012.
Cita MLAWorld Health Organization. Persisting Pain in Children: Important Information for Physicians and Nurses. World Health Organization, 2012.
Warning: These citations may not always be 100% accurate.